Header Editor door 泷涯, 道滿

Please do not write regular expressions that begin with (. *), (. *?), (. +), such regular expressions may cause problems with Firefox

With this extension, you can modify the request header and response header, cancel a request and redirect a request.

It's 100% FREE, no ADs, no data collection.

Some links

Source Code

Helps

Report Bugs

Help us to translate this extension

Migrate to Header Editor

If you want to experience the latest version at the first time, you can install our self-distribution version here