Total Validator
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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 Chrome extension Google Chrome extension v2.7 [Documentation]

Download Firefox extension Firefox extension v2.7 [Documentation]

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.