INSTALLATION (Firefox Version >=57 or Chrome)
Production version:
The webextension is available for Firefox (Version>=57) and Chrome:![]() Download: Firefox: Addons |
![]() Download: Chrome: extensions |
Development version:
You have to download and install the latest version of the extension that is available in GitHub (https://github.com/mgueury/html_validator/).See instruction here.
PREVIOUS VERSION (Firefox Version <=56)
- You have to download the extension 0.974 from Firefox Website: https://addons.mozilla.org/en-US/firefox/addon/html-validator/versions/
DOWNLOAD BETA VERSION
FIREFOX 44.0x or later Choose your platform :| Version | 4.0 |
... |
48.0 and later |
||
| Windows 32 Windows 64 Linux 32 Linux 64 Mac OSX (Universal) |
0.975 beta | Download HTML Validator (beta channel) | X | X | X |
| Other platforms
|
Please check the
forums |
||||
| Source code |
Github | Html Validator |
FIREFOX 10.0x or later Choose your platform :
| Version | 4.0 |
... |
10.0 and later |
||
| Windows | 0.952 | Download HTML Validator for Windows 32 bits | X | X | X |
| Linux 32 bits | 0.952 | Download HTML Validator for Linux 32 bits | X | X | X |
| Linux 64 bits |
0.952 |
Download HTML Validator for Linux 64 bits | X |
X |
X |
| Mac Os X (universal build) |
0.952B |
Download HTML Validator for Mac OS X | X |
X |
X |
| Other platforms
|
Please check the
forums |
||||
| Source code (2012-01-24) |
0.952 | Download the source code |
Thanks to EclipseChasers2 and Tom for the compilation of the Linux64 and MacOsX versions (see Forums)
FIREFOX 9.0x Choose your platform :
| Version | 4.0 |
... |
10.0 |
||
| Windows | 0.951 | Download HTML Validator for Windows 32 bits | X | X | X |
| Linux 32 bits | 0.951 | Download HTML Validator for Linux 32 bits | X | X | X |
| Linux 64 bits |
0.951 |
Download HTML Validator for Linux 64 bits | X |
X |
X |
| Mac Os X (universal build) |
0.951 | Download HTML Validator for Mac OS X | X |
X |
X |
| Other platforms
|
Please check the
forums |
||||
| Source code (2011-12-1) |
0.951 | Download the source code |
| Version | 8.0 |
||
| Windows |
0.912 | Download HTML Validator for Windows | X |
| Other platforms
|
Please check the
forums |
||
| Source code (2011-09-19) |
0.912 | Download the source code |
FIREFOX 7.0x Choose your platform :
| Version | 7.0 |
||
| Windows |
0.911 | Download HTML Validator for Windows | X |
FIREFOX 6.0x Choose your platform :
| Version | 6.0 |
||
| Windows |
0.910 | Download HTML Validator for Windows | X |
FIREFOX 4.0x or 5.0.x Choose your platform :
| Version | 4.0 |
5.0 | ||
| Windows |
0.906 | Download HTML Validator for Windows | X |
X |
FIREFOX 4.0.x ONLY Choose your platform :
| Version | 3.6 |
4.0 | ||
| Windows |
0.904 | Download HTML Validator for Windows | X | |
| Linux 32 bits |
0.904 | Download HTML Validator for Linux | X | |
| Linux 64 bits | 0.904 | Download HTML Validator for Linux 64bits | X | |
| Mac OsX Intel 32 | 0.904 | Download HTML Validator for MacOS 32bits | X | |
| Mac OSX Intel 64 bits | 0.904 | Download HTML Validator for MacOS 64bits | X | |
| Mac OSX Intel 32/64 bits (universal build) | 0.904 | Download HTML Validator for MacOS 32/64bits universal build | X | |
| FreeBSD 7 | TODO | |||
| OpenBSD 64 bits | TODO | |||
| Other platforms | See here | |||
| Source code (2010-12-12) |
0.904 | Download the source code |
The extension XPI is now 2.0 Mb big ... The SGML parser is quite complex :-) But seems to work really well. The validation for the biggest pages I saw are below the 1/100 sec for both algorithms.

