Total Validator
HTML5 / XHTML / WCAG / Section 508 / CSS / Links / Spelling

Browser extensions

These are free to use, but please read the licence before downloading them.

They are all fully tested on Windows, macOS and Linux, and to work they need Total Validator Basic or Pro to be installed.

download imageGoogle Chrome extension v3.0

download imageFirefox extension v3.0

Documentation: Chrome, Firefox

Note: If you have problems installing the Firefox extension, try restarting Firefox. Alternatively, right mouse click on the link above, save the .xpi file to your computer, then drag this onto Firefox.

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