Home Page Check Accessibility, HTML, CSS, Broken 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, but they need Total Validator Test, Basic or Pro to be installed.

Display this page using the appropriate browser, and then click the corresponding button below to start the installation.

Documentation: Chrome, Firefox, and Edge
Recent changes: Change log