About this extension

Add and modify the HTTP request headers and response headers.

What can ModHeader do?

Add, modify, and remove request and response headers
Use ModHeader to set
X-Forwarded-For,
Authorization,
Access-Control-Allow-Origin, etc.)
Modify cookies in request / response header
Redirect URL with another
Enable header modification by URLs
Advanced filtering by tab, tab group, or window

ModHeader features

Add comments to header
One-click "undo" if you made a mistake
Multiple profile support
Quick switch between profiles
Export and import profile
Easily share your profiles with others
Customize autocomplete names and values
Dark mode support
Sorting headers and name, value, or comments
Append value to existing request or response header
Customizable profile badge
Clone profile
Cloud backup
...and more!

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Release notes for 4.3.6

- Suggest when advanced header editor is available
- Suggest when a response header is incorrectly entered in request header field and vice versa
- Suggest using tab domain filter, tab group filter, window filter, etc.

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