** 16.2.0 is now available for download **
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Perform multiple validations with just one click ...
Accessibility Testing
Check your website is accessible and meets regulations, with our large range of WCAG 2.1, US Section 508, and ARIA tests.

Check your website is accessible and meets regulations, with our large range of WCAG 2.1, US Section 508, and ARIA tests.
HTML Testing
Ensure your website is coded correctly. Test against over twenty HTML standards, including the latest HTML5 specification.
Ensure your website is coded correctly. Test against over twenty HTML standards, including the latest HTML5 specification.
CSS Testing
CSS standards are developing rapidly. Keep up to date with our comprehensive range of tests. Test against over sixty W3C specifications.
CSS standards are developing rapidly. Keep up to date with our comprehensive range of tests. Test against over sixty W3C specifications.

Broken Link Check
Avoid broken links upsetting users and search engines, with our high performance broken link checker.
Avoid broken links upsetting users and search engines, with our high performance broken link checker.
Spell Check
Our language-detecting spell checker helps ensure your website reads professionally too.
Our language-detecting spell checker helps ensure your website reads professionally too.
Unique features
Development
Test off-line pages before publishing
Intranets
Test pages on intranets and private websites
Authentication
Test pages requiring authentication to access
DOM
Test the DOM for javascript based sites

X Platform
Runs on Windows, macOS and Linux
Wide range of solutions
Total Validator was released in 2005, and is used to test millions of web pages each year. It is used by some of the top sites in the world and many government organisations, so why not join them today by choosing the product that suits you: