Slow-loading pages, hard-to-read fonts, and confusing navigation. All can be annoying for most people. But for users with disabilities, these common issues can make using the internet nearly impossible.

That’s where web accessibility comes in. Its purpose is to remove these barriers and ensure everyone. Especially those with disabilities can access and use digital content. Accessibility isn’t just a best practice. But it’s a legal requirement in most countries. As organisations that fail to meet accessibility standards can face legal actions.

Fortunately, there are accessibility testing tools that can help. These tools scan your digital content. And spot issues like missing alt text or low color contrast. Making it easier to fix problems early and build more inclusive, compliant websites and apps.

Whether you are just starting out with accessibility. Or you already have experience. The testing tools in today’s post can play a role in helping you to develop accessible websites, apps and any other types of digital content.

What Is an Accessibility Testing Tool?

Accessibility testing tools are software or online tool. That is designed to check whether your digital content meets accessibility standards like the Web Content Accessibility Guidelines (WCAG). Some tools, also suggest specific ways to fix the issues they find.

These tools come in many forms—browser extensions, standalone applications, online services and checkers. For example, extensions like axe or WAVE can quickly run in-browser.

Meanwhile, full-featured software and cloud-based platforms offer more detailed analysis and automated reporting. Mobile accessibility checkers help you ensure your apps are accessible on different devices.

By scanning your content for accessibility issues. These tools help developers make improvements that benefit users with disabilities. And ultimately improve the user experience for everyone.

Best Accessibility Testing Tools

Down below I’ve list 14 of the best free accessibility testing tools to help you get started.

1. AXE DevTools

AXE DevTools is a powerful accessibility testing tool designed for developers. Available as a extension for Chrome, Firefox and Edge. It helps identify and resolve accessibility issues directly in your web applications.

WCAG Compliance

The tool evaluates web content against WCAG 2.1 Level AA and Section 508 standards.

Automated Testing

AXE DevTools offers automated testing that can detect up to 50% of common accessibility issues, including:

• Color contrast problems
• Missing image alt text
• Keyboard navigation issues

Detailed Reporting

AXE DevTools delivers clear actionable reports. For each issue, also it includes a description and remediation guidance. Allowing developers to fix problems efficiently.

Tool Integration

It integrates with development workflows, including CI/CD pipelines, making it easy to catch accessibility issues early in the build process.

By using AXE DevTools, developers can ensure their applications are inclusive, accessible, and aligned with modern accessibility standards.

2. Pa11y

Pa11y is a open-source accessibility testing tool. That helps developers build more accessible sites. It offers several options. Including a dashboard interface, web service, and desktop app.

Compliance with WCAG and Section 508

It supports key accessibility standards. Like WCAG 2.0 AA and Section 508. Providing a good evaluation of your website’s accessibility.

Automated Testing

It runs automated tests by scanning the markup of your web pages. Against a set of predefined test cases. This helps identify many common accessibility issues quickly and efficiently.

Detailed Reporting

The tool generates detailed reports with specific errors and warnings. Giving devs clear guidance on what needs to be fixed.

Integration with Development Tools

Pa11y integrates with dev tools like NPM. Making it easy to include accessibility testing in your existing workflow.

Why Use Pa11y?

With its comprehensive testing capabilities, automated scans, detailed reports. And developer-friendly integrations. Pa11y is a tool for ensuring your website is accessible and inclusive for all users.

3. SortSite

SortSite is a web accessibility testing tool. Which evaluates websites and generates detailed reports. It can automatically scan single pages, groups of pages. Or entire sites. This including password-protected or restricted areas.

Compliance with WCAG and Section 508 SortSite tests your site against WCAG 2.0 and Section 508 standards. Which it means it ensure it meets the latest accessibility guidelines.

Automated Testing

Designed to work best with less dynamic, non-personalized content. This tool automatically crawls public-facing sites. To identify site-wide accessibility issues and trends.

Detailed Reporting

SortSite delivers thorough reports that highlight accessibility problems. Helping developers prioritise and fix issues efficiently. Reports can be exported in multiple formats. Including HTML, Word, and Excel.

Why Use SortSite?

With its ability to test entire websites automatically, strong compliance coverage and detailed, exportable reports. This is a useful tool for gaining a comprehensive view of your site’s accessibility performance.

4. BrowserStack

BrowserStack is a tool that helps devs and testers. Identify and fix accessibility issues especially web forms. It ensures your forms comply with the latest WCAG guidelines. And deliver an inclusive experience for all users.

Compliance with WCAG 2.0 and 2.1

BrowserStack supports testing against WCAG 2.0 and 2.1 standards. Helping you meet accessibility requirements. And provide equal access to everyone.

Automated Testing

The tool offers automated scanning of your web forms. It quickly detecting common accessibility problems such as missing alt text on images, poor color contrast between text and backgrounds. And other issues that can impact user experience.

Detailed Reporting

BrowserStack generates comprehensive reports that summarize the accessibility issues found, provide detailed logs of the testing process, and even create VPAT reports to support regulatory compliance.

Why Use BrowserStack?

With its automated testing features, clear and thorough reporting. And up-to-date standards compliance. BrowserStack is a valuable resource for developers and testers focused on improving the accessibility of web forms.

5. AChecker

AChecker is a web accessibility testing tool. That evaluates the accessibility of web pages and PDFs. It checks compliance against key standards. Like WCAG 2.0, WCAG 2.1 and Section 508.

Compliance with Accessibility Standards

AChecker focuses on important accessibility aspects. Such as alt text for images, proper labeling, document accessibility, text readability, colour contrast. And lastly correct use of HTML headings. This helps ensure your content meets recognized accessibility guidelines.

Automated Testing

The tool offers automated testing capabilities. Allowing you to quickly scanpages and PDFs for issues. It identifies problems and provides recommendations to help you improve.

Detailed Reporting

It generates detailed reports that summarize accessibility errors, warnings and notices. These insights help you prioritise fixes and enhance the overall experience.

Why Use AChecker?

By using AChecker. You can efficiently detect accessibility issues. And take actionable steps toward making your site and documents compliant with accessibility standards.

6. WAVE

WAVE is a free tool developed by WebAIM. That helps evaluate the accessibility of web pages. It delivers a detailed report highlighting errors, alerts and accessibility features on the page.

Compliance with WCAG and Section 508

WAVE checks web content against the latest Web Content Accessibility Guidelines and Section 508 standards to ensure your site meets current accessibility requirements.

Automated Testing

Users can simply enter a URL to receive an automated accessibility evaluation. WAVE scans the page HTML, CSS, and JavaScript to identify issues affecting accessibility.

Detailed Reporting

The tool reports clearly categorise findings into errors that require fixing, alerts for potential concerns that need review. And features that are correctly implemented, helping developers prioritize their work.

Integration with Development Tools

WAVE offers browser extensions for Chrome, Firefox, and Edge. Plus there’s an API that enables automated testing and integration with other development tools.

Why Use WAVE?

With its comprehensive reports, automated testing capabilities, and developer-friendly integrations. This is a powerful and essential tool for anyone working to improve web accessibility.

7. Siteimprove

Siteimprove is a tool that helps ensure your site meets the accessibility standards. Including WCAG 2.1 and Section 508, making your site accessible to all users.

Automated Testing

Siteimprove offers fast, automated scanning of your website to identify accessibility issues, broken links, spelling errors and other quality concerns.

Detailed Reporting

The Siteimprove tool provides a clear, easy-to-understand reports. Which highlight accessibility problems while also offer actionable recommendations. That can help you prioritise fixes effectively.

Why Use Siteimprove?

With its thorough compliance checks, speedy testing and straightforward reporting, This is a valuable tool for maintaining an accessible and high-quality website.

8. Total Validator

Total Validator is a comprehensive accessibility testing tool. Which checks your web content against the Web Content Accessibility Guidelines (WCAG). Helping ensure your site is accessible for everyone.

Automated Testing

Total Validator quickly scans your website’s HTML, CSS, and JavaScript. To identify accessibility issues. It also checks for broken links, spelling errors, and colour contrast problems.

Detailed Reporting

The tool generates clear and detailed reports that show both passed and failed tests. Making it easy to understand where improvements are needed and prioritize fixes.

Why Use Total Validator?

With its broad testing scope, fast automated scans and even its straightforward reporting. Total Validator is a tool for maintaining and improving website accessibility.

9. JAWS Inspect

JAWS Inspect is a robust accessibility testing tool designed. That evaluate web forms against the Web Content Accessibility Guidelines. It helps developers and testers to ensure their digital content is accessible to all this includes those who rely on screen readers.

Automated Testing

The tool offers rapid automated testing that identifies accessibility issues in web forms. It generates a text output of JAWS speech. Making it easier to understand how content is interpreted by screen readers, and to share findings across QA and compliance teams.

Detailed Reporting

JAWS Inspect produces clear, easy-to-read reports showing both passed and failed accessibility checks. These reports help teams prioritize fixes and streamline the remediation process.

Why Use JAWS Inspect?

JAWS Inspect is ideal for developers, testers and accessibility professionals looking for an efficient way to diagnose and resolve accessibility issues—especially in web forms. It’s user-friendly and even for those who don’t have prior screen reader experience offers valuable insight into how assistive technologies interact with digital content.

10. UserWay Widget

UserWay Widget is an AI-powered accessibility solution. That helps sites to meet accessibility standards with minimal effort. It offers essential features to improve usability and ensure compliance with key regulations.

Compliance with Latest WCAG Guidelines

UserWay supports compliance with WCAG 2.1 AA, WCAG 2.2, EN 301-549, EAA, ADA and Section 508. All that helps sites, apps and other digital content to meet international accessibility requirements.

Automated Testing Capabilities

The built-in UserWay Scanner evaluates your website code and structure to detect WCAG violations. In addition to scanning. The widget provides real-time accessibility enhancements that support an inclusive browsing experience.

Integration with Development Tools

UserWay can be easily integrated into various development environments. Making it simple for teams to incorporate accessibility into their workflows from the start.

Why Use UserWay Widget?

UserWay offers a way to detect and fix accessibility issues. Also, while delivering built-in functionality to support compliance. Its automation, integration flexibility and regulatory support make it a valuable tool for maintaining accessible digital experiences.

11. accessiBe

accessiBe is a full featured web accessibility tool that is designed to help websites achieve and maintain compliance with accessibility standards. It combines automation with user friendly tools to improve digital inclusivity for all users.

Compliance with Accessibility Standards

It supports WCAG 2.2, ADA, Section 508, AODA, EAA/EN301549, and IS5568. This ensures your website meets both international and regional accessibility requirements.

Automated Testing Capabilities

The platform uses AI driven scanning to detect accessibility issues across your website. It identifies known, likely, and potential problems, offering practical suggestions to help resolve them efficiently.

Detailed Reporting

It provides in-depth accessibility reports which break down compliance issues. By type and severity. These reports allow devs and site owners to prioritise fixes and maintain compliance.

Why Use accessiBe?

It simplifies the path to accessibility by offering automated testing, robust reporting, and it adherence to WCAG standards. This make this tool valuable for improving usability, supporting inclusive design.

12. ARC Toolkit

ARC Toolkit is a browser-based accessibility testing tool built for devs that needs to quickly evaluate and improve web accessibility. Designed as a Chrome & Firefox extension. It allows for immediate, on-page analysis of accessibility issues.

Rapid Accessibility Testing

ARC Toolkit enables fast accessibility evaluations directly within the browser. Its streamlined interface allows developers to inspect issues, make changes and verify fixes in real time—without waiting for external reports.

On-Demand Page-Level Testing

With ARC Toolkit, you can run accessibility tests on specific pages or even sections of a page. This level of control helps target problem areas efficiently and ensures compliance across key user journeys.

Why Use ARC Toolkit?

ARC Toolkit is good for developers looking for a lightweight and efficient way to test and fix accessibility issues. It’s easy to use, flexible, and helps ensure your web content is usable by everyone.

13. Accessibility Insights

Accessibility Insights is a free and open-source accessibility testing tool. That is designed to help devs and testers find and fix accessibility issues across platforms. Which includes web, Android and Windows. It combines automated checks, manual testing workflows and detailed remediation guidance to support inclusive development.

Compliance with Latest WCAG Guidelines

Accessibility Insights evaluates content against the Web Content Accessibility Guidelines (WCAG), helping ensure compliance with recognized accessibility standards.

Automated Testing Capabilities

The tool includes built-in automated tests to quickly detect common accessibility issues. It integrates with popular browsers and development environments. Naking it easy to incorporate into existing workflows.

Detailed Reporting

Accessibility Insights offers actionable guidance. Including visual helpers and code examples for fixing identified issues. Users can save, share and export results to collaborate across teams.

Why Use Accessibility Insights?

With its multi-platform support, automated testing and developer focused guidance.

14. Lighthouse

Lighthouse is an accessibility testing tool developed by Google. It helps developers audit and improve the accessibility of their websites by evaluating content against the WCAG.

Automated Testing Capabilities

Lighthouse runs automated tests and delivers an accessibility score based on a weighted average of its checks. It can be accessed directly through Chrome DevTools. Or as a browser extension. Making it easy to test interfaces during development.

Detailed Reporting

The tool generates clear, actionable reports that identify both passed and failed tests. Each issue includes context and recommendations, helping developers resolve problems efficiently and improve user experience.

Why Use Lighthouse?

With fast automated audits, developer-friendly reports and seamless Chrome integration, Lighthouse is a practical solution for quickly spotting and fixing accessibility issues during web development.