Web Accessibility Evaluation Tools List | Web Accessibility Initiative (WAI) | W3C
Web accessibility evaluation tools are software programs or online services that help you determine if web content meets accessibility guidelines. This page provides a list of such tools.
To determine what kind of tool you need and how they are able to assist you, see
Selecting Web Accessibility Evaluation Tools
Information on this page is submitted by providers and others.
W3C
does not endorse specific products.
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Tools list
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118 tools
Description
Color contrast is a complete mobile accessibility checking tool that allows users to verify that the color contrast of their mobile webpage or image meets WCAG 2.x AA guidelines.
In addition, users can audit their mobile website against WCAG 2.x AA and share recommendations .
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Mobile application
Mobile application
Limited free functionality,
Time-limited trial,
Subscription,
Show more features
Automated testing,
Manual testing
iOS
Single page/screen,
Sample of pages/screens,
Entire website / software / product
Generating reports of evaluation results,
Displaying information within web pages
Description
ACHECKS monitors WCAG 2 AA compliance for your domains through intuitive dashboards of AChecker and Lighthouse results generating reports across your websites. PDF checking is provided through Tingtun. ACHECKS scrapes your domain and calls web-services to generate page-by-page and aggregate results.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Online tool,
CMS plugin
Free,
Subscription,
Show more features
Automated testing
Single page/screen,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Description
Interactive, international, customizable, Web content accessibility checker. Allows users to create their own guidelines, and author their own accessibility checks. Based on the Open Accessibility Checks(OAC)
Guidelines
WCAG
2.0
Features
Website
Online tool
Free,
Subscription,
Show more features
Automated testing
Single page/screen,
Entire website / software / product
Generating reports of evaluation results,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Description
Check the Accessibility of a PDF Document via Tingtun.
Guidelines
WCAG
2.0
Features
Document
Online tool
Free,
Subscription,
Show more features
Automated testing
Entire website / software / product
Generating reports of evaluation results,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Description
WP ADA Compliance Check includes 82 individual error checks, evaluates content for Web Accessibility issues anywhere on your website, integrates seamlessly into your workflow, and automatically corrects 28 error types, saving you time and money.
Guidelines
WCAG
2.2
WCAG
2.1
Features
Website,
Document
CMS plugin
Free,
Limited free functionality,
Subscription,
English,
Show more features
Automated testing
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Description
Sa11y is an accessibility quality assurance tool that visually highlights common accessibility and usability issues. Geared towards content authors, Sa11y straightforwardly identifies errors or warnings at the source with a simple tooltip on how to fix them.
Guidelines
WCAG
2.1
Features
Website
Browser plugin,
Bookmarklet,
CMS plugin
Free,
Open source
English,
French,
Polish,
Ukrainian,
Spanish,
Swedish,
German
Show more features
Automated testing
Single page/screen
Chrome,
Safari,
Edge,
Firefox,
Opera,
Other
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Accessibility statement
available
Description
Be Inclusive is a web app that helps you define, track, and share digital accessibility audits. We simplify the admin part of the process so manual auditing is easier to manage and share with teammates & clients.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Mobile application
Online tool
Time-limited trial,
Subscription,
English,
Spanish,
French,
Dutch
Show more features
Manual testing
Android,
iOS,
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Providing step-by-step evaluation guidance
Accessibility statement
available
Description
Eye-Able Audit is a browser extension that analyzes web pages for WCAG requirements. Problems and potential problems are visualized and explained, including how to fix them. Eye-Able Report scans the entire domain, including PDF documents, and displays the results in a dashboard. This allows users to quickly find issues and monitor them over time.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Document
Browser plugin,
Online tool,
Server-side integration
Time-limited trial,
Subscription,
English,
German
Show more features
Automated testing,
Manual testing
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Chrome,
Edge,
Firefox,
Opera,
Other
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Accessibility statement
available
Description
QualWeb is an automated accessibility checker that assesses webpage conformance to ACT-Rules and WCAG 2.1 HTML and CSS techniques. QualWeb can be used as part of your application, through a command line interface or via its website. QualWeb is the engine of the Portuguese Accessibility Observatory.
Guidelines
WCAG
2.1
Features
Website,
Source code
Browser plugin,
Online tool,
Server-side integration,
Command-line / CI
Free,
English,
European Portuguese,
Finnish,
Swedish,
Norwegian Bokmål
Show more features
Automated testing
Windows,
MacOS,
Linux
Single page/screen
Chrome
Generating reports of evaluation results
Accessibility statement
available
ACT Rules implemented
29 Rules
/ 7 Proposed Rules
About ACT
Description
An open source browser extension for web developers and auditors that utilizes IBM's rule engine, which detects accessibility issues for web applications. Provides an integrated checking experience, helping users quickly identify the source of accessibility issues and try fixes. Also provides a keyboard checker mode and identifies issues for review
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Browser plugin
Free,
Show more features
Automated testing,
Manual testing
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Chrome,
Edge,
Firefox
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
ACT Rules implemented
0 Rules
/ 0 Proposed Rules
About ACT
Description
NodeJS Module that performs integrated accessibility testing within a continuous integration pipeline or local test environment. It works with parsing engines such as Selenium, Puppeteer, and Zombie. Works with a variety of test frameworks such as Cucumber, Mocha, or Jasmine.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Command-line / CI
Free,
Show more features
Automated testing
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Chrome,
Edge,
Firefox,
Other
Generating reports of evaluation results,
Providing step-by-step evaluation guidance
ACT Rules implemented
0 Rules
/ 0 Proposed Rules
About ACT
Description
Cypress Module that performs integrated accessibility testing in the Cypress test environment within a continuous integration pipelines or local test environments.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Command-line / CI
Free,
Show more features
Automated testing
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Chrome,
Edge,
Firefox,
Other
Generating reports of evaluation results,
Providing step-by-step evaluation guidance
ACT Rules implemented
0 Rules
/ 0 Proposed Rules
About ACT
Description
Karma plugin that performs integrated accessibility testing within a continuous integration pipeline or local test environment. Scans HTML nodes/widgets, URLs, local files, HTML documents, and HTML content in the form of a string. Provides framework to validate results against baseline or fail test case.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Command-line / CI
Free,
Show more features
Automated testing
Windows,
MacOS,
Linux
Component
Chrome,
Safari,
Edge,
Firefox,
Opera,
Other
Generating reports of evaluation results,
Providing step-by-step evaluation guidance
ACT Rules implemented
0 Rules
/ 0 Proposed Rules
About ACT
Description
COMPLYFirst Element-V is a windows desktop application for automated and manual web accessibility testing. COMPLYFirst Element-V includes a comprehensive set of tools and features that enable development and QA processes for accessibility. It includes unlimited scanning/verification of web pages and provides summary and detailed reports
Guidelines
WCAG
2.1
WCAG
2.0
Features
Website,
Document,
Source code
Browser plugin,
Programming tool plugin / IDE
Free,
Subscription,
Show more features
Automated testing,
Manual testing
Windows
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Chrome,
Other
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score
Description
AudioEye's color contrast checker is a tool that measures the contrast between website elements such as background, foreground, text, images, or documents to ensure it meets WCAG accessibility standards. This free tool is one of the most comprehensive on the internet and is made accessible with a keyboard navigation and voice commands.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Online tool
Free,
Show more features
Simulated user experience
Component
Displaying information within web pages
Accessibility statement
available
Description
The Monsido Platform includes a cohesive suite of tools for web accessibility, website quality assurance, brand and content compliance, user consent management, social and web content archiving, and more.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Document,
Source code,
Other
Browser plugin,
Online tool,
CMS plugin
Limited free functionality,
Subscription,
Danish,
English,
Dutch,
Norwegian
Show more features
Automated testing,
Manual testing,
Simulated user experience
Windows,
MacOS
Single page/screen,
Entire website / software / product,
Restricted or password protected pages
Chrome,
Edge,
Firefox
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Description
Luma Video Accessibility Analysis Tool identifies sequences with flashing lights, spatial patterns, and other potential seizure triggers, especially for individuals with photosensitive epilepsy. Through color data extraction and frame-by-frame analysis, Luma ensures compliance with international video accessibility guidelines, including WCAG 2.3.1
Guidelines
WCAG
2.2
WCAG
2.1
Features
Other
Online tool
Free,
English,
Show more features
Automated testing,
Simulated user experience
Sample of pages/screens
Chrome,
Safari,
Edge,
Firefox,
Opera,
Other
Generating reports of evaluation results
Accessibility statement
available
Description
Checks websites are accessible, use valid HTML, ARIA and CSS, have no broken links, and are free from spelling mistakes. Test single pages through to multiple websites in one go; including offline, authenticated, and javascript generated pages.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Source code
Browser plugin,
Desktop application,
Command-line / CI
Limited free functionality,
One-time purchase,
Show more features
Automated testing
Windows,
MacOS,
Linux
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Chrome,
Edge,
Firefox
Generating reports of evaluation results
ACT Rules implemented
33 Rules
/ 11 Proposed Rules
About ACT
Description
Check Meister is your essential tool for improving web accessibility and fostering inclusive websites. In today's digital world, ensuring accessibility for all users, including those with disabilities, is crucial. Accessibiley helps you identify and resolve accessibility issues, making your site easier for everyone to navigate and use.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Source code
Online tool
Free,
Show more features
Automated testing,
Manual testing
Single page/screen
Generating reports of evaluation results
Accessibility statement
available
Description
Lite is Accessibility Cloud’s bookmarklet. You can use it to test any web page, whether it’s behind a login or not. It runs locally on your computer.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Bookmarklet
Free,
Show more features
Automated testing
Windows,
MacOS,
Linux
Single page/screen,
Restricted or password protected pages
Generating reports of evaluation results,
Displaying information within web pages
Description
Web Accessibility testing and reporting powered by the WAVE accessibility engine.
Pope Tech simplifies web accessibility and makes compliance easier with automation, flexible team management, dynamic reporting, and a friendly interface made for beginners and experts.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Online tool,
CMS plugin
Free,
Subscription,
Show more features
Automated testing
Android,
iOS,
Windows,
MacOS,
Linux
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score
Description
Silktide's free accessibility checker tests your web page for over 200 WCAG issues, giving you straightforward, step-by-step guidance. The browser plugin highlights accessibility issues on each page, includes information on how to fix them, and offers a range of accessibility tools to help you monitor WCAG and ADA compliance.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Browser plugin
Free
Show more features
Automated testing,
Simulated user experience
Windows,
MacOS,
Linux
Single page/screen,
Restricted or password protected pages
Chrome,
Edge
Displaying information within web pages
Description
A Chrome extension to check color combinations against WCAG contrast ratios, offering palette suggestions. Ideal for designers, developers and accessibility experts to review or audit site color contrast. Features include top-of-page access, one-click color picking, manual hex input, instant ratio display, and WCAG-compliant color recommendations.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Browser plugin
Free,
Show more features
Automated testing,
Manual testing
Windows
Component,
Single page/screen
Chrome
Displaying information within web pages
Accessibility statement
available
Description
DigitalA11Y Tublets is a suite of bookmarklets bundled into an extension for quick and easy accessibility audits. Features include highlighting semantic of structures, form defects, images missing alt text, CSS background images, and more. Ideal for developers, testers, and designers,
Tublets simplifies WCAG testing.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Source code
Browser plugin
Free,
Show more features
Automated testing,
Manual testing
Windows
Single page/screen
Chrome
Displaying information within web pages
Accessibility statement
available
Description
Accessible Web RAMP assists teams and agencies in discovering, understanding, and fixing web accessibility issues. Our suite of tools includes an automated website WCAG checker, a free browser extension for color contrast evaluation, built-in step-by-step ADA/EAA/ACA compliance instructions, a manual audit checklist, and much more.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Source code
Browser plugin,
Online tool
Free,
Limited free functionality,
Time-limited trial,
Subscription,
One-time purchase,
Show more features
Automated testing,
Manual testing
Windows,
MacOS
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Chrome
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Description
Dyno Mapper is a web accessibility testing tool with the ability to test and monitor public/private web pages, online web applications, and PDFs using WCAG guidelines.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Document
Online tool
Limited free functionality,
Subscription,
Show more features
Automated testing
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score
Accessibility statement
available
Description
AccessiWeb Color Contrast is a accessibility checking tool that allows users to verify that the color contrast of their webpage , app or image meets WCAG 2.x AA and AAA guidelines.
Check foreground and background color and see if they pass WCAG level.
Guidelines
WCAG
2.1
Features
Website,
Mobile application,
Document,
Other
Online tool
Free,
Italian
Show more features
Automated testing
Android,
iOS,
Windows,
MacOS,
Linux,
Other
Component
Chrome,
Safari,
Edge,
Firefox,
Opera,
Other
Generating reports of evaluation results
Accessibility statement
available
Description
MAUVE++ is a system to evaluate accessibility of websites by checking their dynamic code and/or their connected PDF documents according to W3C WCAG guidelines, and it provides validation results for different types of stakeholders. It also supports the possibility of automatically monitoring the accessibility levels of web sites.
Guidelines
WCAG
2.1
WCAG
2.0
Features
Website,
Document,
Source code
Browser plugin,
Online tool,
CMS plugin
Free,
Show more features
Automated testing
Android,
iOS,
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product
Chrome,
Edge
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score
Accessibility statement
available
Description
WebYes is a comprehensive website audit and monitoring tool that checks accessibility, SEO, performance, and quality - all in one place. The tool checks your website against WCAG 2.2 standards up to Level AAA, helping you work toward compliance with ADA, Section 508, EAA, and other digital accessibility regulations.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Online tool
Free,
Subscription,
Show more features
Automated testing
Entire website / software / product
Generating reports of evaluation results,
Creating an accessibility score
Description
It is an automated accessibility testing tool to analyze site's compliance with ADA, WCAG, UK Equality Act, California Unruh, European EN 301 549, Israeli Standard 5568, Australian DDA, Canada ACA & other accessibility standards. Receive a comprehensive report detailing the primary accessibility issues on site and take a step further to remediate.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Online tool
Free,
Show more features
Automated testing
Single page/screen,
Entire website / software / product
Generating reports of evaluation results,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Accessibility statement
available
Description
A WCAG color contrast checker is a tool used to assess the difference in luminance or color between text and its background on a digital interface. It ensures that text is easily readable against its background, especially for people with visual impairments.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Other
Online tool
Free,
Show more features
Automated testing
Single page/screen
Accessibility statement
available
Description
Eficode Accessibility Keeper is an easy-to-use and intuitive accessibility monitoring service that makes it quick and easy to monitor the accessibility status of an online service or a web application. PDF checking is also available. The service reduces the manual monitoring and verification tasks required to ensure accessibility.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Document
Online tool
Subscription,
Free,
Limited free functionality
English,
Finnish
Show more features
Automated testing
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Creating an accessibility score
Description
axesPDF is a powerful tool for validating the accessibility of PDF documents according to PDF/UA, WCAG, and Section 508. The screen reader preview feature is an easy way to simulate user experience with assistive technology.
Guidelines
WCAG
2.1
WCAG
2.0
Features
Document
Desktop application
Limited free functionality,
Subscription,
Show more features
Automated testing,
Manual testing,
Simulated user experience
Windows
Entire website / software / product
Generating reports of evaluation results
Description
The Siteimprove Accessibility Checker allows you to easily check the accessibility of any web page directly in the browser, so you can immediately identify issues with instant feedback. Allows for evaluation of any password-protected or non-public pages, multi-step forms, and dynamic content.
Guidelines
WCAG
2.2
Features
Website
Browser plugin
Free,
Show more features
Automated testing,
Simulated user experience
Windows,
MacOS,
Linux
Single page/screen,
Restricted or password protected pages
Chrome,
Edge,
Firefox,
Opera
Generating reports of evaluation results
Accessibility statement
available
ACT Rules implemented
27 Rules
/ 3 Proposed Rules
About ACT
Description
Cypress plugin that seamlessly integrates accessibility checks into your End-to-End testing workflow. It logs detailed reports of accessibility violations within the Cypress interface, generates comprehensive HTML reports with screenshots for precise issue identification, and provides audible feedback of accessibility issues.
Guidelines
WCAG
2.1
WCAG
2.0
Features
Source code
Programming tool plugin / IDE
Free,
on,
Open-source
Show more features
Automated testing
Windows,
MacOS,
Linux
Component,
Single page/screen
Chrome,
Safari,
Edge
Generating reports of evaluation results
Description
A free automated website check that checks for accessibility issues according to WCAG 2.1. Simply enter the URL and get instant results.
Guidelines
WCAG
2.1
WCAG
2.0
Features
Website
Online tool
Free,
German
Show more features
Automated testing,
Simulated user experience
Android,
iOS,
Windows,
MacOS,
Linux
Single page/screen,
Entire website / software / product
Chrome,
Safari,
Edge,
Firefox,
Opera
Generating reports of evaluation results,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Accessibility statement
available
Description
Comprehensive digital accessibility testing, monitoring, and reporting service for websites, web apps, single page applications, mobile apps, software, and documents. It supports multiple engines (axe-core and QualWeb), multiple guidelines (WCAG, EN 301 549, BITV, RGAA, Section 508), and multiple test methods (automatic, manual, and guided).
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Mobile application,
Document
Online tool
Free,
Limited free functionality,
Time-limited trial,
Subscription,
One-time purchase
Danish,
German,
English,
Spanish,
Finnish,
French,
Norwegian Bokmål,
Dutch,
Swedish
Show more features
Automated testing,
Manual testing
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Accessibility statement
available
Description
CAAT is a powerful platform for comprehensive accessibility testing of websites, mobile applications, desktop apps and documents. It combines manual assessment with automated tools and supports WCAG, EN 301 549 and custom test catalogues. It also provides issue tracking and reporting.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Mobile application,
Other
Online tool
Subscription,
English,
German
Show more features
Automated testing,
Manual testing
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Providing step-by-step evaluation guidance
Accessibility statement
available
Description
taba11y is a free Chrome and Firefox extension which calculates and displays the tab order of elements on a webpage. It enables developers to evaluate whether interactive elements are included in the tab order, whether non-interactive elements are incorrectly included, and whether the tab order follows a logical sequence.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Browser plugin
Free,
Show more features
Manual testing
Windows,
MacOS,
Linux
Single page/screen
Chrome,
Firefox
Generating reports of evaluation results,
Displaying information within web pages
Description
Free Color Blindness Simulator lets you view websites, images, or other visual content as individuals with color vision deficiencies do. It simulates & visualizes various types of color blindness such as Protanopia, Protanomaly, Deuteranopia, Deuteranomaly, Achromatomaly, Achromatopsia, Tritanopia & Tritanomaly. Ideal for designers & developers
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Online tool
Free,
Show more features
Simulated user experience
Single page/screen
Displaying information within web pages
Accessibility statement
available
Description
AccessiWeb Color Contrast Tester is a Google Chrome extension designed to evaluate the accessibility of web platforms. With this tool, you can quickly check the contrast ratio between two colors (text and background) directly on a web page, ensuring that it meets WCAG 2.1 AA/AAA color contrast criteria.
Guidelines
WCAG
2.1
Features
Website
Browser plugin
Free
Italian
Show more features
Manual testing
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product
Chrome
Generating reports of evaluation results
Description
The axe DevTools Extension is the ultimate tool for in-browser automated, semi-automated and manual accessibility testing. With rich issue details and reporting including screenshots, this tool helps you easily find and fix accessibility issues.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Browser plugin,
Online tool
Free,
Limited free functionality,
Time-limited trial,
Subscription,
One-time purchase,
Show more features
Automated testing,
Manual testing,
Simulated user experience
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Chrome,
Edge,
Firefox
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Accessibility statement
available
ACT Rules implemented
29 Rules
/ 3 Proposed Rules
About ACT
Description
Webmate Accessibility Workbench provides an integrated testing environment where everything you need is in one place: testing infrastructure including VMs and real devices; audit management and audit templates built with requirements catalogues WCAG, BITV, and more; reporting tools, page scanners, AI assistants, and impairment simulations.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Mobile application
Online tool,
Command-line / CI
Time-limited trial,
Subscription,
on,
Project-based
German
Show more features
Automated testing,
Manual testing,
Simulated user experience
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
ACT Rules implemented
31 Rules
/ 14 Proposed Rules
About ACT
Description
Instantly test the accessibility of your website or app with real screen readers, like NVDA, online using Assistiv Labs. It doesn't matter whether you're on a Mac, PC, or Linux computer — all you need is a modern web browser and an internet connection.
No buying expensive devices or maintaining virtual machines. No emulators or simulators.
Features
Website,
Document
Online tool
Time-limited trial,
Subscription,
Show more features
Manual testing,
Simulated user experience
Windows,
MacOS,
Linux
Entire website / software / product,
Restricted or password protected pages
Accessibility statement
available
Description
AAArdvark is an accessibility testing tool that streamlines audits with automated issue scanning, a visual view of issues, manual testing support, remediation tracking, and comprehensive reporting. Everything digital professionals need for achieving accessibility compliance in one tool.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Browser plugin,
Online tool,
CMS plugin
Limited free functionality,
Subscription
Show more features
Automated testing,
Manual testing
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Chrome,
Firefox,
Edge
Generating reports of evaluation results,
Displaying information within web pages
Accessibility statement
available
Description
A screen reader testing tool that vastly simplifies accessibility and JAWS® compatibility testing by providing a text output of JAWS speech.
Guidelines
WCAG
2.2
WCAG
2.1
Features
Website
Desktop application
Subscription
Show more features
Automated testing,
Manual testing
Single page/screen
Description
AccessiMind is an AI‑powered accessibility assistant for VS Code that provides real‑time WCAG 2.2 analysis and ARIA validation. It automatically flags accessibility issues in source code, offers explanations and guidance, and generates reports to help developers build inclusive web and mobile projects.
Guidelines
WCAG
2.2
Features
Source code
Programming tool plugin / IDE
Free,
English,
Turkish
Show more features
Automated testing
Windows,
MacOS,
Linux
Component
Generating reports of evaluation results,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Description
With the Abra SDK you can add accessibility checks to existing Android/iOS UI tests. Run accessibility tests locally, or from your CI/CD. The results are shown in your IDE and in the Abra Dashboard.
Abra SDK supports 20+ automated checks created by Abra, Apple and Google.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Mobile application
Command-line / CI,
Programming tool plugin / IDE
Time-limited trial,
Subscription,
Show more features
Automated testing
Android,
iOS
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results
Description
AI powered, cloud ready, end to end accessibility and inclusivity solution with built in intelligence automation adhering to global standards with web, mobile, and PDF analysis and recommendations for remediation. AI capabilities include AI powered color contrast checker and web content checker, among others.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Mobile application,
Document,
Source code
Browser plugin,
Desktop application,
Online tool,
Server-side integration,
Programming tool plugin / IDE
Subscription,
Show more features
Automated testing,
Manual testing
Android,
iOS,
Windows,
MacOS
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Chrome,
Safari,
Edge,
Firefox
Generating reports of evaluation results,
Displaying information within web pages,
Providing step-by-step evaluation guidance
Accessibility statement
available
Description
Scan Android apps for mobile accessibility. No SDKs or source code access needed. Find issues based on Web Content Accessibility Guidelines (WCAG) for apps built with any technology–native Android, React Native, Flutter, or other cross-platform technologies. Get remediation advice and a visual view of accessibility issues from a team dashboard.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Mobile application
Mobile application
Time-limited trial,
Subscription,
Show more features
Automated testing
Android
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results
Accessibility statement
available
ACT Rules implemented
26 Rules
/ 3 Proposed Rules
About ACT
Description
decareto helps to identify and monitor accessibility issues on websites. decareto automates scans of entire websites, displays the results in a dashboard, creates shareable and actionable reports in a brand-compliant design, and integrates into developer workflows.
Guidelines
WCAG
2.2
WCAG
2.1
Features
Website
Online tool
Time-limited trial,
Subscription,
Show more features
Automated testing
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Creating an accessibility score
Accessibility statement
available
Description
a11yTools is a collection of HTML Web Accessibility Testing Tools in one location in a Safari Extension used for quick and easy Accessibility testing. Run your favorite Accessibility testing tool and then take a screenshot showing the a11y error to developers and designers.
Guidelines
WCAG
2.2
Features
Website
Browser plugin
One-time purchase,
Show more features
Automated testing,
Manual testing
MacOS
Single page/screen
Safari
Displaying information within web pages
Description
Scan, monitor, and identify website accessibility issues with compliance checks for WCAG 2.0, 2.1, 2.2, ADA, Section 508, EN 301 549, UK Equality Act, Australian DDA, Canada ACA, & other global standards. Get simple issue highlights & actionable fix recommendations to remediate it without much technical know-how. Supports 140+ Languages.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Source code
Online tool
Time-limited trial,
Subscription,
Show more features
Automated testing,
Manual testing
Android,
iOS,
Windows,
MacOS,
Linux,
Other
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Description
The ARC Platform helps you identify, and manage accessibility issues and barriers on your website by analyzing on-page components.
Guidelines
WCAG
2.2
Features
Website
Online tool
Subscription,
Show more features
Automated testing,
Manual testing
Entire website / software / product
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Description
Upload a video or screen recording to check for flashes that may trigger photosensitive epilepsy. The tool analyzes luminance and red ratio changes in real time, shows detailed charts, and flags WCAG violations where flashing exceeds safe thresholds.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Online tool
Free,
Show more features
Manual testing
Component
Displaying information within web pages,
Providing step-by-step evaluation guidance
Accessibility statement
available
Description
With ARIA DevTools you see your website the way screen readers present it to the blind users. All page elements are presented according to their explicit or implied ARIA roles. This includes headings, images, tables and form items beyond others.
It's now easy to spot missing ARIA labels, misused ARIA roles, and incomplete keyboard support.
Guidelines
WCAG
2.1
Features
Website
Browser plugin
Free,
Show more features
Manual testing,
Simulated user experience
Windows,
MacOS,
Linux
Entire website / software / product
Chrome,
Firefox
Displaying information within web pages
Description
Test your website for accessibility with BrowserStack. Run a single scan to catch accessibility issues across all pages, even behind logins. Navigate like a real user with built-in screen reader testing and track progress with smart issue summaries.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Document
Browser plugin,
Online tool
Limited free functionality,
Time-limited trial,
Subscription,
Show more features
Manual testing
Android,
iOS,
Windows,
MacOS
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Chrome,
Safari,
Edge,
Firefox
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Description
With axesCheck you can quickly and easily check PDF files for accessibility. axesCheck is a web-based version of the PDF Accessibility Checker PAC. It will check PDF files to see if they meet the machine-verifiable requirements of PDF/UA and WCAG (A & AA). Additional checks are recommended that only a human can perform.
Guidelines
WCAG
2.1
WCAG
2.0
Features
Document
Online tool
Free,
Show more features
Automated testing
Android,
iOS,
Windows,
MacOS,
Linux
Entire website / software / product
Generating reports of evaluation results
Description
Axe is an accessibility testing engine for websites and other HTML-based user interfaces. It's fast, secure, lightweight, and was built to seamlessly integrate with any existing test environment so you can automate accessibility testing alongside your regular functional testing.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Command-line / CI
Free,
Show more features
Automated testing
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results
ACT Rules implemented
26 Rules
/ 3 Proposed Rules
About ACT
Description
A free tool with on-demand page-level testing. Available for Chrome and Firefox.
Guidelines
WCAG
2.2
WCAG
2.1
Features
Website
Browser plugin
Free,
Show more features
Automated testing,
Manual testing
Single page/screen
Chrome,
Firefox
Displaying information within web pages
Description
axesSense covers all machine-verifiable PDF/UA and WCAG requirements and can be easily integrated into your systems or software as a REST API, allowing for scalable and efficient validation of large volumes of PDFs. The API provides machine-readable test results in JSON format, facilitating further processing and integration in various workflows.
Guidelines
WCAG
2.1
WCAG
2.0
Features
Document
Online tool,
Server-side integration
Subscription,
Show more features
Automated testing
Android,
iOS,
Windows,
MacOS,
Linux,
Other
Entire website / software / product
Generating reports of evaluation results
Description
A simple colour contrast checker with Picture-in-Picture mode. Select colours anywhere on screen with the overlay and eyedropper. Get compliant colour suggestions, editable previews, permalinks, and saved swatches. Minimal UI, wide colour space support, and offline-ready.
Guidelines
WCAG
2.1
Features
Website
Online tool
Free,
Show more features
Manual testing
Entire website / software / product,
Restricted or password protected pages
Description
This contrast checker allows you to add your brand colours, in a background and text field. The results show a preview of what they look like and provides a contrast ratio which is checked against WCAG guidelines, giving you a score and letting you know if you pass or fail different WCAG measures.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Online tool
Free,
Show more features
Manual testing
Android,
iOS,
Windows,
MacOS,
Linux
Component
Displaying information within web pages
Description
Tools for using axe for web accessibility testing with JUnit, Selenium, and Playwright.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Command-line / CI
Free,
Show more features
Automated testing
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results
ACT Rules implemented
26 Rules
/ 3 Proposed Rules
About ACT
Description
GetWcag is an automated accessibility evaluation tool that uses axe-core to scan websites for conformance with WCAG standards. It identifies accessibility issues and provides detailed reports based on established guidelines.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Online tool
Limited free functionality,
Subscription,
Show more features
Automated testing
Single page/screen,
Entire website / software / product
Generating reports of evaluation results,
Creating an accessibility score,
Providing step-by-step evaluation guidance
ACT Rules implemented
26 Rules
/ 3 Proposed Rules
About ACT
Description
a11yTools is a collection of HTML Web Accessibility Testing Tools in one location on your iPhone and iPad for quick and easy Accessibility testing. Run your favorite Accessibility testing tool and easily take a screenshot on your phone showing the a11y error to developers and designers.
Guidelines
WCAG
2.2
Features
Website
Browser plugin,
Mobile application
One-time purchase,
Show more features
Automated testing,
Manual testing
iOS
Single page/screen
Safari
Displaying information within web pages
Description
Scan your website, intranet, and microsite web pages and documents against WCAG. With Insytful, you can find missing alt text, insufficient colour contrast ratio, inaccessible PDFs and more. Benefit from automated tests, manual checks and best practices using Axe Core. Get started for free, simply insert your URL to be notified of your website's results.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Document,
Source code
Online tool,
CMS plugin
Free,
Limited free functionality,
Time-limited trial,
Subscription
Show more features
Automated testing,
Manual testing
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
ACT Rules implemented
26 Rules
/ 3 Proposed Rules
About ACT
Description
Add accessibility testing into XCUI, Espresso and UIAutomator tests within a continuous integration pipeline or local test environment. Find issues based on Web Content Accessibility Guidelines (WCAG) for iOS and Android apps. Get remediation advice and a visual view of accessibility issues from a team dashboard.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Mobile application
Command-line / CI,
Programming tool plugin / IDE
Time-limited trial,
Subscription,
Show more features
Automated testing
Android,
iOS,
Windows,
MacOS
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results
ACT Rules implemented
26 Rules
/ 3 Proposed Rules
About ACT
Description
Includia Accessibility Checker seamlessly integrates into your development workflow, empowering you to create inclusive web experiences. It meticulously analyzes web pages to pinpoint potential accessibility violations based on the latest WCAG standards.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Browser plugin
Free,
Show more features
Automated testing
Windows,
MacOS
Component,
Single page/screen,
Sample of pages/screens
Chrome
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Description
WAVE is a suite of powerful web accessibility testing tools. WAVE conducts automated tests and facilitates human assessment. The WAVE online checker and WAVE browser extensions for Chrome, Firefox, and Edge browsers are freely available. A subscription and stand-alone WAVE API are also available.
Guidelines
WCAG
2.2
Features
Website
Browser plugin,
Online tool,
Server-side integration,
Command-line / CI,
Programming tool plugin / IDE
Free,
Subscription,
Show more features
Automated testing,
Manual testing
Windows,
MacOS,
Linux
Single page/screen,
Entire website / software / product,
Restricted or password protected pages
Chrome,
Edge,
Firefox
Generating reports of evaluation results,
Displaying information within web pages
Description
Detects failures, identifies issues to validate, and highlights code. A11yInspect assists your developers & accessibility professionals to evaluate for Web Content Accessibility Guidelines (WCAG).
One-click highlights the issue along with the code.
Wide-range of Bookmarklets
Key Code Attributes
Download Screenshots.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Browser plugin,
Bookmarklet,
Online tool
Free,
Limited free functionality,
Subscription,
Show more features
Automated testing
Windows,
MacOS
Component,
Single page/screen,
Restricted or password protected pages
Chrome
Generating reports of evaluation results,
Displaying information within web pages,
Providing step-by-step evaluation guidance
Accessibility statement
available
Description
The tool allows you to check whether a color combination meets WCAG requirements and shows the level of conformance. You can also generate a shareable link that contains two selected colors. When someone opens the link, it will display the chosen colors along with the contrast result.
Guidelines
WCAG
2.2
WCAG
2.1
Features
Website
Online tool
Free,
Show more features
Manual testing
Component
Chrome,
Safari,
Edge,
Firefox,
Opera
Description
siteboard is the accessibility & web performance tool for agencies, website operators, developers and compliance professionals. Our software provides a comprehensive view of websites and helps meet requirements such as the Accessibility Enhancement Act (BFSG). Our "DeepScans" feature reliably checks all subpages of a domain in one go.
Guidelines
WCAG
2.2
WCAG
2.1
Features
Website
Online tool
Limited free functionality,
Subscription,
One-time purchase,
German
Show more features
Automated testing
Single page/screen,
Entire website / software / product
Generating reports of evaluation results,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Accessibility statement
available
Description
Check contrast instantly.
Test foreground and background colors against WCAG 2.2 standards. See pass/fail for normal text and large text with clear grade labels (AA/AAA).
Pick accessible palettes.
Explore color combinations that meet accessibility guidelines.
Start from your brand color and find accessible pairings in seconds.
iOS and macOS.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Mobile application,
Document
Desktop application,
Mobile application
One-time purchase,
Show more features
Manual testing
iOS,
MacOS
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Description
Hercules takes natural language tests as input and performs accessibility scans at page level in accordance with Accessibility standards using AXE-CORE. It is AI powered and completely open source.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Command-line / CI
Free,
Show more features
Automated testing
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens
Chrome,
Firefox
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score
Description
Axe Auditor is a comprehensive manual testing tool with test automation and manual testing methodology built in. With a comprehensive dashboard for full WCAG conformance reporting, it provides integration with the axe DevTools extension to provide high efficiency to QA teams. Supports testing for WCAG, EN 301-549, Trusted tester and ACAA standards.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Mobile application,
Document,
Other
Server-side integration
Subscription,
Show more features
Automated testing,
Manual testing
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Accessibility statement
available
ACT Rules implemented
26 Rules
/ 3 Proposed Rules
About ACT
Description
3 NuGet packages, which can be used for automated accessibility testing powered by axe core. Integrations include Playwright and Selenium.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Command-line / CI
Free,
Show more features
Automated testing
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results
ACT Rules implemented
26 Rules
/ 3 Proposed Rules
About ACT
Description
WCAG Color Contrast Checker: Quickly verify text and background color contrast against WCAG 2.x guidelines for accessibility. Essential for designers and developers to create readable, compliant content that meets international standards.
Guidelines
WCAG
2.2
WCAG
2.1
Features
Website
Online tool
Free,
Show more features
Manual testing
Single page/screen
Generating reports of evaluation results,
Displaying information within web pages
Description
The Accessibility Checker Chrome extension allows users to check and identify accessibility issues on a webpage directly from their Chrome browser. This tool allows users to identify the elements that do not conform to WCAG 2.0, 2.1, and 2.2 level A, AA, and AAA.
The tools also allow you to check the focus orders, alt text and heading hierarchy.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Browser plugin
Free,
Show more features
Automated testing
iOS,
Windows,
MacOS,
Linux
Single page/screen
Chrome
Description
The AccessiWeb readability test measures how easy a text is to read and understand according to the four most globally recognized indicators: Flesch–Kincaid, Gunning Fog, SMOG, and Coleman–Liau. This test measures the linguistic complexity of a piece of content by analyzing sentences, words, and the average number of syllables.
Guidelines
WCAG
2.1
Features
Website,
Document,
Source code
Online tool
Free,
Italian
Show more features
Automated testing
Android,
iOS,
Windows,
MacOS,
Linux,
Other
Component,
Single page/screen
Generating reports of evaluation results
Description
Siteimprove Accessibility Platform is an enterprise-grade tool for evaluating website accessibility. It identifies issues, offers remediation guidance, and tracks improvements. Customizable dashboards and reports ensure you always stay updated on the state of your websites.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Document
Online tool,
CMS plugin
Subscription,
Show more features
Automated testing,
Simulated user experience
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Accessibility statement
available
ACT Rules implemented
29 Rules
/ 25 Proposed Rules
About ACT
Description
Automatically create accessibility reports from tests recorded to Cypress Cloud. The reports display page and component accessibility violations detected across all recorded tests, at each step of the tested workflows. Processing is server-side based on test artifacts, so nothing happens during the test execution, and no code changes are needed.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Online tool,
Server-side integration,
Programming tool plugin / IDE
Time-limited trial,
Subscription,
Show more features
Automated testing
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score
Description
6 packages/gems, which can be used for automated accessibility testing powered by axe core. Integrations include Capybara, Cucumber, RSpec, Selenium, and Watir.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Command-line / CI
Free,
Show more features
Automated testing
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results
ACT Rules implemented
26 Rules
/ 3 Proposed Rules
About ACT
Description
The Multi-Color Contrast Checker (M3C) helps with the selection of palettes (color combinations) with good contrasts among the colors, based on the Web Content Accessibility Guidelines, WCAG. It also supports the simulation of color blindness.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Mobile application
Online tool
Free,
Show more features
Manual testing,
Simulated user experience
Entire website / software / product
Description
Helps you catch and fix accessibility issues immediately while you code in your favorite IDE, VS Code. The extension points you to full explanations and clear directions for remediation so you can fix accessibility issues early—when it's cheaper and easier.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Source code
Programming tool plugin / IDE
Free,
Show more features
Automated testing
Windows,
MacOS,
Linux
Component,
Single page/screen
Generating reports of evaluation results
ACT Rules implemented
26 Rules
/ 3 Proposed Rules
About ACT
Description
Contrasts: A macOS color contrast checker with the convenience of Spotlight-like accessibility. Instantly accessible via shortcuts, it features auto text to color conversion and preview mode for effortless color contrast checks, making it the ultimate intuitive tool for designers and developers.
Guidelines
WCAG
2.1
Features
Website,
Mobile application,
Document
Desktop application
Limited free functionality,
Subscription,
One-time purchase,
Show more features
Manual testing,
Simulated user experience
MacOS
Component,
Single page/screen,
Sample of pages/screens
Displaying information within web pages
Description
"Barrieretest.at" is a tool targeting the Austrian market for quick, automated accessibility testing. It calculates a score based on automated testing with pa11y, and provides additional results through an LLM-based site analysis, checking for things that automated tools usually miss.
Guidelines
WCAG
2.1
Features
Website
Online tool
Free,
German
Show more features
Automated testing
Single page/screen
Displaying information within web pages,
Creating an accessibility score
Description
Axe Monitor (formerly WorldSpace Comply) is a robust, enterprise level monitoring and reporting platform that scans websites, finds accessibility problems and creates dashboards to highlight problem areas.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Online tool
Subscription,
Show more features
Automated testing
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Accessibility statement
available
Description
Scan iOS apps for mobile accessibility. No SDKs or source code access needed. Find issues based on Web Content Accessibility Guidelines (WCAG) for apps built with any technology–native iOS, React Native, Flutter, or other cross-platform technologies. Get remediation advice and a visual view of accessibility issues from a team dashboard.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Mobile application
Programming tool plugin / IDE
Time-limited trial,
Subscription,
Show more features
Automated testing
MacOS
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results
ACT Rules implemented
26 Rules
/ 3 Proposed Rules
About ACT
Description
Provides seven packages for automated accessibility testing powered by axe-core, including a command-line interface to axe-core and integrations with popular testing frameworks: Playwright, Puppeteer, React, WebDriverIO, and WebDriverJS.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Command-line / CI
Free,
Show more features
Automated testing
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results
ACT Rules implemented
26 Rules
/ 3 Proposed Rules
About ACT
Description
Dock accessibility checker performs automated WCAG 2.1 A/AA audits for websites and web applications. It provides detailed reports, clear remediation guidance, manual verification features, and API integration for CI/CD pipelines.
Guidelines
WCAG
2.1
Features
Website
Online tool,
Server-side integration,
Programming tool plugin / IDE
Free,
Limited free functionality,
Subscription,
Show more features
Automated testing
Sample of pages/screens
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Description
WCAG Plus is an online tool that automatically evaluates web pages and frontend code for accessibility issues based on WCAG. It highlights errors and potential problems, provides actionable suggestions, and helps developers identify accessibility barriers early in the development process.
Guidelines
WCAG
2.1
Features
Website
Online tool
Free,
Show more features
Automated testing
Single page/screen
Generating reports of evaluation results
Description
PAC can check many PDF/UA and WCAG requirements at the touch of a button. In addition to this, PAC also supports visual check with the screen reader and structure preview. No installation required, just download and start PAC.
Guidelines
WCAG
2.1
Features
Document
Desktop application
Free,
English,
German,
French,
Spanish,
Dutch
Show more features
Automated testing,
Manual testing,
Simulated user experience
Windows
Entire website / software / product
Generating reports of evaluation results
Accessibility statement
available
Description
ObservePoint scans your site for WCAG 2.0–2.2 issues of levels A–AAA, detecting problems like missing alt text or poor contrast. It flags accessibility barriers, provides detailed reports with fix locations, and offers scorecards and priority lists—helping you take confident, actionable steps toward compliance.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Online tool
Free,
Subscription,
Show more features
Automated testing
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results
Description
Free web-based accessibility checker that scans any URL using automated testing. It identifies accessibility issues, explains each finding in clear language, and provides suggested fixes to help teams detect and understand accessibility barriers on web pages using common desktop browsers.
Guidelines
WCAG
2.2
WCAG
2.1
Features
Website
Online tool
Free,
Show more features
Automated testing
Windows,
MacOS
Single page/screen,
Sample of pages/screens
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Description
The Tranistics Accessibility Checker Tool helps identify accessibility issues on your website by scanning for WCAG conformance, color contrast errors, and missing alt text. It’s user-friendly, offering actionable insights to improve digital inclusivity. Perfect for developers and site owners.
Guidelines
WCAG
2.2
Features
Website
Online tool
Free,
Show more features
Automated testing
Single page/screen
Generating reports of evaluation results
Description
Squidler does fully autonomous website testing. All you have to do is provide your URL.
Our virtual user opens a browser and navigates and interacts with your website much like any visitor. As it browses your website it checks for accessibility issues as well as functional bugs, spelling and grammar mistakes and more.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Online tool
Free,
Subscription,
Show more features
Automated testing,
Simulated user experience
Entire website / software / product
Generating reports of evaluation results,
Providing step-by-step evaluation guidance
Description
Risk monitor Accessibility Checker audits websites against WCAG 2.1 and 2.2 (Level A to AAA), Section 508, EN 301 549, and ACT rules. It identifies accessibility issues, categorizes them by severity along with snapshots of the errors. As a result it helps organizations improve compliance and digital inclusion.
Guidelines
WCAG
2.2
WCAG
2.1
Features
Website
Online tool
Limited free functionality,
Subscription,
One-time purchase,
Show more features
Automated testing
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Description
ChromaSim Color Blindness Simulator: Upload images to instantly apply various color vision deficiency filters. Essential for designers and content creators to ensure visual accessibility and perceivability of static graphics for all users.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website,
Other
Online tool
Free,
Show more features
Simulated user experience
Component
Generating reports of evaluation results,
Displaying information within web pages
Description
Accessibility Visualizer is a browser extension that shows many information about accessibility – statuses, attributes, cautions, etc. It can also show live region changes, it simulates how screen reader users perceive them.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Browser plugin
Free,
Japanese,
Korean,
Show more features
Manual testing
Android,
Windows,
MacOS
Single page/screen
Chrome,
Firefox
Displaying information within web pages
Description
axe DevTools for Web CLI is a command-line application for scanning web pages for accessibility issues and for generating reports. With axe DevTools for Web CLI, organizations can automate accessibility testing without having to integrate axe into integration or end-to-end tests.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Command-line / CI
Subscription,
Show more features
Automated testing
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results
ACT Rules implemented
26 Rules
/ 3 Proposed Rules
About ACT
Description
AccessiWeb's free accessibility test scans your site for WCAG 2.1 accessibility issues. Using the Lighthouse accessibility APIs and automated checks of over 100 parameters, it identifies potential accessibility issues on your website.
Guidelines
WCAG
2.1
Features
Website
Online tool
Free,
Italian
Show more features
Automated testing
Single page/screen
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Accessibility statement
available
Description
Abra Desktop enables you to test the accessibility of apps from your desktop. It detects connected Android and iOS devices/emulators. Next, you can scan for accessibility issues in any app — without source code access.
Abra Desktop has over 100 testing procedures for semi-automated testing and 20+ automated checks.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Mobile application
Desktop application
Time-limited trial,
Subscription,
Show more features
Automated testing,
Manual testing
MacOS
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results
Accessibility statement
available
Description
Tabnav Monitor scans your site for code-level accessibility issues. It scans across different screen sizes — both desktop and mobile — and provides detailed WCAG reports. A free package is available to get started.
Guidelines
WCAG
2.2
Features
Website
Online tool
Free,
Subscription,
Show more features
Automated testing
Windows,
MacOS
Sample of pages/screens,
Entire website / software / product
Chrome,
Safari,
Edge,
Firefox,
Opera
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Description
Use TPGi's free color contrast checker to optimize your content - including text and visual elements - for individuals with color-blindness or low vision impairments.
Guidelines
WCAG
2.2
WCAG
2.1
Features
Website
Desktop application
Free,
Show more features
Manual testing
Single page/screen
Description
A11y Quick Check is a browser extension for evaluating web accessibility through a structured checklist. It provides 42 individual tests focused on key accessibility aspects, including headings, grouping elements, lists, tables, related controls, and accessible names and descriptions. The tool identifies accessibility, structural, and semantic issue and includes guidance for manual verification.
Guidelines
WCAG
2.2
Features
Website
Browser plugin
Free,
Show more features
Automated testing,
Manual testing
Windows,
MacOS
Component,
Single page/screen,
Sample of pages/screens,
Restricted or password protected pages
Chrome
Generating reports of evaluation results,
Displaying information within web pages,
Providing step-by-step evaluation guidance
Description
WCAG 2.1 color contrast checker. Check foreground and background color and see if they pass WCAG.
Guidelines
WCAG
2.1
Features
Website
Online tool
Free,
Show more features
Manual testing
Component
Description
be-a11y is a Node.js-based CLI tool designed for automated evaluation and reporting of accessibility issues in HTML-based projects. It supports both local directory scanning and remote URL analysis to help developers identify common accessibility problems.
Features
Website,
Source code
Command-line / CI
Free,
Show more features
Automated testing,
Manual testing
Entire website / software / product
Generating reports of evaluation results,
Displaying information within web pages
Description
QualiBooth simplifies web accessibility compliance with real-time scanning, monitoring, and detailed reporting. The platform offers an accessibility checker, real-time dashboards, and a development assistant, aiding organizations in achieving ADA, WCAG, and European Accessibility Act compliance.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Server-side integration
Subscription,
Show more features
Automated testing
Android,
iOS,
Windows,
MacOS
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Description
Add accessibility testing into Appium tests within a continuous integration pipeline or local test environment. Find issues based on Web Content Accessibility Guidelines (WCAG) for iOS and Android apps. Get remediation advice and a visual view of accessibility issues from a team dashboard.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Mobile application
Server-side integration,
Command-line / CI,
Programming tool plugin / IDE
Time-limited trial,
Subscription,
Show more features
Automated testing
Android,
iOS,
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results
ACT Rules implemented
26 Rules
/ 3 Proposed Rules
About ACT
Description
This calculator helps you check colour contrast ratios and experiment with the opacity of intermediary layers and text. It calculates the effective contrast by combining a secondary layer of colour with a variable opacity on top of a background base colour, then measuring how well it contrasts with your text colour.
Guidelines
WCAG
2.2
Features
Website
Online tool
Free,
Show more features
Manual testing
Single page/screen
Displaying information within web pages,
Creating an accessibility score
Description
AxY Site Scanner performs automated WCAG 2.1 AA / EN 301 549 audits, detecting and classifying accessibility issues. It scans the entire site and generates detailed reports with remediation references, AGID self-assessment, and Accessibility Statements.
Guidelines
WCAG
2.1
Features
Website
Online tool
Limited free functionality,
Subscription,
Italian
Show more features
Automated testing
Android,
iOS,
Windows,
MacOS,
Linux,
Other
Entire website / software / product
Generating reports of evaluation results
Description
Deque offers API bindings for web development and scripting languages including NodeJS, JavaScript, Java, Ruby, C#, and Python. These APIs allow you to scan your websites for accessibility defects as part of your existing automated testing runs or continuous integration (CI) builds.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Command-line / CI
Subscription,
Show more features
Automated testing
Windows,
MacOS,
Linux
Component,
Single page/screen,
Sample of pages/screens,
Entire website / software / product,
Restricted or password protected pages
Generating reports of evaluation results
ACT Rules implemented
26 Rules
/ 3 Proposed Rules
About ACT
Description
axe DevTools Linter allows you to check your code for accessibility issues in your IDE and CI/CD. axe DevTools Linter is easy to configure and use, and it can check React (.js, .jsx, and .tsx), Vue (.vue), Angular (.component.html), HTML (.html and .htm), and Markdown (.md and .markdown) files so you can avoid common accessibility defects.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Source code
Command-line / CI,
Programming tool plugin / IDE
Limited free functionality,
Subscription,
Show more features
Automated testing
Windows,
MacOS,
Linux
Component,
Single page/screen
Generating reports of evaluation results
ACT Rules implemented
26 Rules
/ 3 Proposed Rules
About ACT
Description
SaaS for automated WCAG checks. Test a single page or entire sites (via sitemap), get prioritized issues, downloadable reports (JSON/CSV/HTML) and a simple score.
Guidelines
WCAG
2.1
Features
Website
Online tool
Limited free functionality,
Subscription,
Show more features
Automated testing
Single page/screen,
Sample of pages/screens,
Entire website / software / product
Generating reports of evaluation results,
Creating an accessibility score
Accessibility statement
available
Description
AEL Accessibility Checker (AAC) can quickly evaluate your web page against automated Accessibility violations.
Guidelines
WCAG
2.2
WCAG
2.1
WCAG
2.0
Features
Website
Online tool
Free,
Show more features
Automated testing
Entire website / software / product
Chrome,
Safari,
Edge,
Firefox
Generating reports of evaluation results,
Creating an accessibility score
Description
MoutValid is a muti-page Web accessibility checker online tool that evaluates Web accessibility in conformance with Web Content Accessibility guidelines (WCAG) on multiple pages at a time, evaluate color contrast against WCAG contrast ratios, generates automated dashboards and reports on issues found and suggests remediations to address them.
Guidelines
WCAG
2.2
WCAG
2.1
Features
Website,
Source code
Online tool
One-time purchase,
Show more features
Automated testing,
Manual testing
Entire website / software / product
Generating reports of evaluation results
Description
A free website accessibility automated scan for WCAG 2.1 compliance issues. Just insert your URL and get instant results.
Guidelines
WCAG
2.1
WCAG
2.0
Features
Website
Online tool
Free,
Show more features
Automated testing
Component,
Single page/screen,
Sample of pages/screens
Generating reports of evaluation results,
Displaying information within web pages,
Creating an accessibility score,
Providing step-by-step evaluation guidance
Accessibility statement
available
W3C
does not endorse specific vendor products. Inclusion of products in this list does not indicate endorsement by W3C. Products and search criteria are listed with no quality rating.
Tool descriptions, search criteria, and other information in this database is provided by tool developers, vendors, or others. W3C does not verify the accuracy of the information.
The list is not a review of evaluation tools, nor a complete or definitive list of all tools. The information can change at any time.
Please share your ideas, suggestions, or comments via e-mail to the publicly-archived list
wai@w3.org
or via GitHub.
E-mail
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