Header Override: Modify HTTP Headers and Cookies

About the product

What does Header Override: Modify HTTP Headers and Cookies do?

Header Override is a free browser extension that lets you modify HTTP request and response headers and cookies using URL-scoped rules. Create local profiles to switch between different configurations. It works in Chrome, Firefox, and Edge.

Who it’s for

Who should use Header Override: Modify HTTP Headers and Cookies?

Developers and anyone who needs control over browser HTTP headers and cookies are the clearest fit based on how the product is positioned.

Quick fit check

Best fit

Pricing: Free

Platforms: Chrome, Edge), Firefox

Cost

How much does Header Override: Modify HTTP Headers and Cookies cost?

Free Check the provider’s own page for the latest pricing, packages and terms.

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Directory note

Details, pricing and availability can change. We use provider information, verified owner updates and editorial review where available. Check the provider’s own page before making a purchase, booking or important decision.

Profile last updated 30 Oct 2026.

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