9 Best Accessibility Testing Tools in 2025
There will always be hundreds of web accessibility tools to choose from, but we’ve put together a list of some of the best tools for testing in 2024.

When it’s difficult to distinguish between your content and the background of your site, visitors with visual disabilities are unable to use your site. This is why color contrast ratios are part of WCAG guidelines and it’s what this tool assists with.
This color contrast checker tests the colors on your site against the latest version of WCAG. Should your site not meet the necessary requirements, recommendations will be provided that will ensure you can offer users the best experience possible.

accessiBe is one of the most talked-about web accessibility tools available today. It helps take a lot of the manual work out of becoming ADA compliant by making it quicker and easier to identify web accessibility issues on your site.
Simply enter your website’s URL to claim your audit with accessScan. The report will outline the most critical accessibility issues on your site and how to correct them.

Easily identify the web accessibility issues on your site with a free check from UserWay. Once you enter your URL, you will receive a report outlining the issues that were found and how to correct them.
UserWay is trusted by thousands of leading brands that want to create a more inclusive experience for their online users. With the help of AI technology, it’s never been easier to ensure your site is compliant with some of the top ADA requirements.

This is a great option for developers who want to make sure their HTML source code is ticking all the right WCAG boxes before a site or application goes live. This particular tool is compliant with WCAG 2.2 as well as Section 508.
Not only can it detect errors based on its predefined rules, but you can also add custom rules as an extra measure. All that’s required is for you to paste your code into a text box and the tool will do the rest.

The final recommendation on this list is Siteimprove, which helps you conform to all levels of WCAG (A, AA & AAA). The platform offers a series of tools that help you address various accessibility requirements and standards. Once you audit your site, you will receive a list of findings according to priority, which is ideal if you have limited time and resources and want to focus on the most important tasks first.
While you can scan your website for free, this will only give you a basic idea of the faults you need to address. To get more information, you can request a free, in-depth report directly from Siteimprove.

Developed by Eclipse Foundation, this accessibility tool is a very capable disability simulator. It was designed to evaluate how well the content on your website works with assistive technology such as screen readers and voice browsers.
To use this tool, you will need to download and unpack a zip file and run aDesigner.exe in the aDesigner folder. As you can imagine, this tool is best for businesses that already work with developers who are familiar with these types of processes.

This is another tool that comes highly recommended for businesses that would prefer both an automated and manual testing approach to cover all their bases. Access Alchemy only offers paid services, but this is because of the advanced nature of what they do.
Along with identifying accessibility issues, this team goes one step further by applying them to your site, taking away the need to involve developers at a deeper level. Access Alchemy complies with all major disabilities acts on a global scale, making this an ideal solution for larger organizations.

In just one click, SortSite can help you test your website for accessibility issues. This desktop application is compatible with both Windows and Mac, evaluating your site for basic accessibility concerns as well as potential SEO problems.
SortSite is based on 110 checkpoints that comply with WCAG and Section 508 guidelines. And a one-time purchase will provide you with lifetime access to this easy-to-use accessibility solution. Even though the tool has a basic look and feel, it gets the job done.

If you enjoy a more visual representation of data, Tanaguru is the tool for you. Once you scan your website, the results page will contain a number of charts and visual evaluations of your accessibility compliance. You will also receive a summary of the elements that don’t comply with the necessary standards, so you’ll know exactly what to focus on.
You can opt to try the Tanafuru engine for free to decide whether it’s the right fit for you or you can download it and start using it right away.
Conclusion
When we look at the sheer number of web accessibility tools that are available today as well as the increase in lawsuits being filed on a global scale, it becomes clear that digital accessibility is no longer a nice-to-have feature.
Luckily, you now have a solid place to start on this journey, ensuring your business and your customers reap the benefits of a more accessible website.