(X)HTML5 Checker by Francesco De Stefano

3.3 Stars out of 5

(X)HTML5 Checker version history - 4 versions

Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 0.0.4resigned1
Released Apr 26, 2024 - 30.55 KB
Works with firefox 48.0 and later
Source code released under Mozilla Public License 2.0
You'll need Firefox to use this extension
Download Firefox and get the extension
Download file
Older versions
Version 0.0.3
Released Apr 3, 2019 - 30.52 KB
Works with firefox 48.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 0.0.2
Released Dec 6, 2018 - 106.31 KB
Works with firefox 54.0a1 and later
Source code released under Mozilla Public License 2.0
Download file
Version 0.0.1
Released Dec 5, 2018 - 105.62 KB
Works with firefox 54.0a1 and later
Source code released under Mozilla Public License 2.0
Download file

Latest version