Introduction
ModHeader is a devtool used to quickly change request and response headers. It is available on Chrome, Firefox, Edge, and Opera on Windows, MacOS, and Linux. ModHeader is consistently ated 4+ stars on Chrome web store and used by 550,000+ users.

Check out our 5 minutes get started with ModHeader tutorials

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Tutorials
How to use ModHeader
Sample profiles to help you get started
How do I contact the support team?
When will I get a response?