Requestly
VibeHeader
Header Override
HeaderFlex.app
Live HTTP Headers
Modify Header Value (HTTP Headers)
Add custom HTTP request headers to any site. Set Authorization tokens, override Content-Type, inject debug headers per URL pattern. declarativeNetRequest. Free: 5 rules, Pro: unlimited.
Requestly
Charles Proxy
Fiddler
HTTP Toolkit
Proxyman.io
EditThisCookie
VibeHeader
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.
|
HE
Header Editor
|
m
modheader
|
|
|---|---|---|
| Website | dev-tools-hub.xyz | app.modheader.com |
| Listed in |
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 Header Editor 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.
We have no reviews of Header Editor yet. Be the first one to post
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 Header Editor and modheader, you can also consider the following products.


An open-source ModHeader alternative trusted by 10,000+ developers. Edit and share headers with Profiles, URL filters, and a built-in tester.
Compare VibeHeader to Header Editor or modheader:

HTTP proxy / HTTP monitor / Reverse Proxy
Compare Charles Proxy to Header Editor or modheader:

Open-source Chrome, Firefox, and Edge extension to modify HTTP request and response headers, cookies, and local profiles for API debugging.
Compare Header Override to Header Editor or modheader:


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 Header Editor or modheader: