HeaderLab by Cheon Park

0 Stars out of 5

HeaderLab version history - 2 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 1.8.0
Released Sep 18, 2026 - 172.13 KB
Works with firefox 140.0 and later
Source code released under Apache License 2.0
Download Firefox and get the extension
Download file
Older versions
Version 1.7.0
Released Sep 14, 2026 - 172.1 KB
Works with firefox 128.0 and later
Source code released under Apache License 2.0
Download file

Latest version