# ModHeader browser extension

<h3 align="center">
  ModHeader is a browser extension that allow you to modify HTTP request and response headers.
</h3>
<h3 align="center">
  <img src="https://mod-header.appspot.com/android-icon-96x96.png" width="24px" alt="ModHeader" />
  <a href="https://mod-header.appspot.com/">
    Official Website
  </a>
</h3>
<p align="center">
  <a href="https://chrome.google.com/webstore/detail/modheader/idgpnmonknjnojddfkpgkljpfnnfcklj">
    <img src="https://mod-header.appspot.com/images/chrome_1x.png" srcset="https://mod-header.appspot.com/images/chrome_2x.png 2x">
  </a>
  <a href="https://addons.mozilla.org/firefox/addon/modheader-firefox/">
    <img src="https://mod-header.appspot.com/images/firefox_1x.png" srcset="https://mod-header.appspot.com/images/firefox_2x.png 2x 2x">
  </a>
</p>

## Donation

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!

[![paypal](https://www.paypalobjects.com/en_US/i/btn/btn_donate_SM.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=3XFKZ8PCRB8P6&currency_code=USD&amount=5&source=url)

<div>
  <a href="https://www.buymeacoffee.com/scCieVdfj">
    <img src="https://bmc-cdn.nyc3.digitaloceanspaces.com/BMC-button-images/custom_images/orange_img.png" alt="Buy Me A Coffee">
  </a>
</div>

## Features

* 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!

## Screenshots

<img src="https://mod-header.appspot.com/images/ss1.png">

## Installation

ModHeader does not require any extra tool for building. Simply load the src directory into Chrome / Firefox to start local development.