<img src="https://static.bewisse.com/chrome_1x.png" srcset="https://static.bewisse.com/chrome_2x.png 2x">

<img src="https://static.bewisse.com/firefox_1x.png" srcset="https://static.bewisse.com/firefox_2x.png 2x">

If you find ModHeader useful, please consider making a donation. If you use it for your company project, please ask your company to make a monthly donation!

• Add/modify/remove request headers and response headers
• Enable header modification based on URL/resource type
• Add comments to header
• Multiple different profiles
• Sorting headers by name, value, or comments
• Append value to existing request or response header
• Export and import header
• Clone profile
• Cloud backup
• Tab locking!

Feel free to send pull requests to add new features to ModHeader. It will benefit everyone! That said, I reserve the rights to reject pull requests that does not seem useful, or if they add too much complexity for very little benefits.

You may fork and redistribute ModHeader for a small group of friends / colleagues, but please do not impersonate ModHeader, or try to sell it for a profit. If you use ModHeader in any commercial product, please let me know.

For v3.0+ (still WIP), run npm install first, then run npm run start to start development. The built packages will be in the build/ directory.

For older version, load the legacy/ package into Chrome.

If you need to use ModHeader for Selenium tests, please visit: modheader_selenium