
Requestly
Header Editor
Header Override
HeaderFlex.app
Live HTTP Headers
Modify Header Value (HTTP Headers)
An open-source ModHeader alternative trusted by 10,000+ developers. Edit and share headers with Profiles, URL filters, and a built-in tester.
Requestly
Charles Proxy
Fiddler
HTTP Toolkit
Header Editor
Proxyman.io
EditThisCookie
Free browser extension to modify HTTP request and response headers. No sign-up. Works on Chrome, Firefox, and Edge.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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modheader
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| Website | vibeheader.com | app.modheader.com |
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What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using VibeHeader and modheader. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

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On the pricing front, Requestly strikes a balance between affordability and functionality. It is an open-source tool, offering freemium to individual developers and affordable pricing plans for team collaboration. We...
When comparing VibeHeader and modheader, you can also consider the following products.

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HTTP proxy / HTTP monitor / Reverse Proxy
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Open-source Chrome, Firefox, and Edge extension to modify HTTP request and response headers, cookies, and local profiles for API debugging.
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A local-first ModHeader alternative: rewrite HTTP request & response headers via Chrome's native declarativeNetRequest. No backend, no account, no telemetry.
Compare HeaderFlex.app to VibeHeader or modheader: