ModHeader Documentation

Table of Content

ModHeader is a browser extension used to quickly change request and response headers. It is available on Chrome, Firefox, and Edge on Windows, MacOS, and Linux. ModHeader is consistently rated 4+ stars on Chrome web store and used by 800,000+ users.


Check out our 2 minutes get started with ModHeader tutorials

How to use ModHeader

Sample profiles to help you get started

How do I contact the support team?

The best way to reach us is to send us an email at

When will I get a response?

We will typically get back to you within 24 hours during a business day.