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Accessibility Checker

SEO

Check web content for WCAG accessibility issues including contrast, alt text, and heading structure.

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Quick answers for Accessibility Checker

What does the Accessibility Checker do?
Check web content for WCAG accessibility issues including contrast, alt text, and heading structure. The Accessibility Checker is one of 900+ free developer tools on Toolblip - all open to use without a signup.
How do I use the Accessibility Checker?
Open the Accessibility Checker on this page, paste or upload your input, and the result updates as you type. Use the copy button to grab the output, or adjust options to tune the result. Nothing you enter leaves your browser.
Is the Accessibility Checker free to use?
Yes. The Accessibility Checker is a free online tool on Toolblip - no signup, no account, no hidden usage limits. It runs in your browser and works on desktop and mobile.
Is the Accessibility Checker safe and private?
Yes. The Accessibility Checker processes your data entirely client-side, so nothing you paste is uploaded or stored on any server. It's safe to use with internal snippets, private keys for debugging, or any other sensitive content you'd rather not send to a remote service.
Will the Accessibility Checker help improve my site's SEO?
The Accessibility Checker is one part of a healthy SEO workflow. It produces the output search engines expect - clean syntax, valid structure, and the metadata they use to index pages - but real ranking gains come from pairing good tooling with useful content.
Can I use the Accessibility Checker offline?
Once the page has loaded, the Accessibility Checker continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.