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.
Showing 50 tools
by Accessible Resources Ltd
Last updated: Dec 2023
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 .
Website, Mobile application
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
Generating reports of evaluation results, Displaying information within web pages
by Cantan Group
Last updated: Dec 2023
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.
Online tool, CMS plugin
Show more features
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
by Cantan Group
Last updated: Dec 2023
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)
Show more features
Single page/screen, Entire website / software / product
Generating reports of evaluation results, Creating an accessibility score, Providing step-by-step evaluation guidance
by Cantan Group
Last updated: Dec 2023
Check the Accessibility of a PDF Document via Tingtun.
Show more features
Entire website / software / product
Generating reports of evaluation results, Creating an accessibility score, Providing step-by-step evaluation guidance
by Alumnionline Web Services LLC
Last updated: Dec 2023
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.
Free, Limited free functionality, Subscription,
Show more features
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
by Toronto Metropolitan University
Last updated: Dec 2023
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.
Browser plugin, Bookmarklet, CMS plugin
Free, Open source
English, French, Polish, Ukrainian, Spanish, Swedish, German
Show more features
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
by Walnut Creek Creative LLC
Last updated: Dec 2023
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.
Website, Mobile application
Time-limited trial, Subscription,
English, Spanish, French, Dutch
Show more features
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
by Web Inclusion GmbH
Last updated: Dec 2023
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.
Browser plugin, Online tool, Server-side integration
Time-limited trial, 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, Edge, Firefox, Opera, Other
Generating reports of evaluation results, Displaying information within web pages, Creating an accessibility score, Providing step-by-step evaluation guidance
by Faculdade de Ciências da Universidade de Lisboa
Last updated: Dec 2023
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.
Website, Source code
Browser plugin, Online tool, Server-side integration, Command-line / CI
English, European Portuguese, Finnish, Swedish, Norwegian Bokmål
Show more features
Generating reports of evaluation results
by IBM Accessibility
Last updated: Dec 2023
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
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, Edge, Firefox
Generating reports of evaluation results, Displaying information within web pages, Creating an accessibility score, Providing step-by-step evaluation guidance
by IBM Accessibility
Last updated: Dec 2023
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.
Show more features
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
by IBM Accessibility
Last updated: Dec 2023
Cypress Module that performs integrated accessibility testing in the Cypress test environment within a continuous integration pipelines or local test environments.
Show more features
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
by IBM Accessibility
Last updated: Dec 2023
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.
Show more features
Chrome, Safari, Edge, Firefox, Opera, Other
Generating reports of evaluation results, Providing step-by-step evaluation guidance
by Odellus Corporation
Last updated: Dec 2023
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
Website, Document, Source code
Browser plugin, Programming tool plugin / IDE
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
Last updated: Dec 2023
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.
Show more features
Simulated user experience
Displaying information within web pages
Last updated: Dec 2023
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.
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
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
by N Squared Digital, LLC
Last updated: Dec 2023
AAArdvark streamlines web accessibility testing and audits with features like automated issue scanning, visual view of accessibility issues, efficient logging of issues found in manual testing, remediation management, and comprehensive reporting and tracking. Everything digital professionals need for achieving accessibility compliance in one tool.
Browser plugin, Online tool, CMS plugin
Limited free functionality, Subscription, One-time purchase,
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
Last updated: Dec 2023
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
Show more features
Automated testing, Simulated user experience
Sample of pages/screens
Chrome, Safari, Edge, Firefox, Opera, Other
Generating reports of evaluation results
by Total Validator
Last updated: Jan 2024
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.
Website, Source code
Browser plugin, Desktop application, Command-line / CI
Limited free functionality, One-time purchase,
Show more features
Single page/screen, Sample of pages/screens, Entire website / software / product, Restricted or password protected pages
Chrome, Edge, Firefox
Generating reports of evaluation results
by Accessible Web
Last updated: Feb 2024
RAMP helps teams discover, understand, and remediate web accessibility issues. Our suite of tools includes a website monitoring platform, free browser extension for automated scanning, color contrast & manual audits, and an online learning Academy.
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
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
by Accessibility Cloud
Last updated: Feb 2024
Test & monitor your websites and documents against WCAG, EN 301 549, BITV, RGAA, Section 508 and ADA. Accessibility Cloud offers automatic and manual accessibility testing features for web, tests documents automatically, monitors sites, and generates accessibility statements. Sign up for free to scan your site and get started.
Website, Mobile application, Document
Free, Limited free functionality, Time-limited trial, Subscription, One-time purchase
Danish, German, English, 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
by Accessibility Cloud
Last updated: Aug 2024
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.
Show more features
Single page/screen, Restricted or password protected pages
Generating reports of evaluation results, Displaying information within web pages
Last updated: Aug 2024
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.
Online tool, CMS plugin
Show more features
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
Last updated: Aug 2024
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.
Show more features
Automated testing, Simulated user experience
Single page/screen, Restricted or password protected pages
Displaying information within web pages
by Deque Systems, Inc.
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.
Time-limited trial, Subscription,
Show more features
Component, Single page/screen, Sample of pages/screens, Entire website / software / product, Restricted or password protected pages
Generating reports of evaluation results
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.
Show more features
Manual testing, Simulated user experience
Entire website / software / product
Displaying information within web pages
by Deque Systems, Inc.
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.
Show more features
Component, Single page/screen, Sample of pages/screens, Entire website / software / product, Restricted or password protected pages
Generating reports of evaluation results
by Deque Systems, Inc.
Tools for using axe for web accessibility testing with JUnit, Selenium, and Playwright.
Show more features
Component, Single page/screen, Sample of pages/screens, Entire website / software / product, Restricted or password protected pages
Generating reports of evaluation results
by Deque Systems, Inc.
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.
Command-line / CI, Programming tool plugin / IDE
Time-limited trial, Subscription,
Show more features
Component, Single page/screen, Sample of pages/screens, Entire website / software / product, Restricted or password protected pages
Generating reports of evaluation results
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.
Show more features
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
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. The service reduces the manual monitoring and verification tasks required to ensure accessibility.
Show more features
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
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.
Browser plugin, Online tool, Server-side integration, Command-line / CI, Programming tool plugin / IDE
Show more features
Automated testing, Manual testing
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
by Deque Systems, Inc.
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.
Website, Mobile application, Document, Other
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
by Deque Systems, Inc.
3 NuGet packages, which can be used for automated accessibility testing powered by axe core. Integrations include Playwright and Selenium.
Show more features
Component, Single page/screen, Sample of pages/screens, Entire website / software / product, Restricted or password protected pages
Generating reports of evaluation results
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.
Online tool, CMS plugin
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
by Deque Systems, Inc.
6 packages/gems, which can be used for automated accessibility testing powered by axe core. Integrations include Capybara, Cucumber, RSpec, Selenium, and Watir.
Show more features
Component, Single page/screen, Sample of pages/screens, Entire website / software / product, Restricted or password protected pages
Generating reports of evaluation results
by Deque Systems, Inc.
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.
Programming tool plugin / IDE
Show more features
Component, Single page/screen
Generating reports of evaluation results
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.
Website, Mobile application, Document
Limited free functionality, Subscription, One-time purchase,
Show more features
Manual testing, Simulated user experience
Component, Single page/screen, Sample of pages/screens
Displaying information within web pages
by Deque Systems
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.
Show more features
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
by Deque Systems, Inc.
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.
Programming tool plugin / IDE
Time-limited trial, Subscription,
Show more features
Component, Single page/screen, Sample of pages/screens, Entire website / software / product, Restricted or password protected pages
Generating reports of evaluation results
by Deque Systems, Inc.
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.
Show more features
Component, Single page/screen, Sample of pages/screens, Entire website / software / product, Restricted or password protected pages
Generating reports of evaluation results
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.
Show more features
Automated testing, Simulated user experience
Entire website / software / product
Generating reports of evaluation results, Providing step-by-step evaluation guidance
by Deque Systems, Inc.
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.
Show more features
Component, Single page/screen, Sample of pages/screens, Entire website / software / product, Restricted or password protected pages
Generating reports of evaluation results
by Moritz Gießmann
WCAG 2.1 color contrast checker. Check foreground and background color and see if they pass WCAG.
Show more features
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.
Show more features
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
by Deque Systems, Inc.
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.
Server-side integration, Command-line / CI, Programming tool plugin / IDE
Time-limited trial, Subscription,
Show more features
Component, Single page/screen, Sample of pages/screens, Entire website / software / product, Restricted or password protected pages
Generating reports of evaluation results
by Deque Systems, Inc.
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.
Show more features
Component, Single page/screen, Sample of pages/screens, Entire website / software / product, Restricted or password protected pages
Generating reports of evaluation results
by Deque Systems, Inc.
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.
Command-line / CI, Programming tool plugin / IDE
Limited free functionality, Subscription,
Show more features
Component, Single page/screen
Generating reports of evaluation results
AEL Accessibility Checker (AAC) can quickly evaluate your web page against automated Accessibility violations.
Show more features
Entire website / software / product
Chrome, Safari, Edge, Firefox
Generating reports of evaluation results, Creating an accessibility score
A free website accessibility automated scan for WCAG 2.1 compliance issues. Just insert your URL and get instant results.
Show more features
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
Information on this page is provided by vendors. W3C does not endorse specific products.
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.
Strategies, standards, and supporting resources to make the Web accessible to people with disabilities.
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