Requestly
modheader
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.

BrandBird
SocialSizes
Designfeed
Coverview
RequestHeaders.com
MyOG.social
Canva Pro
Create social cover images that get you followers

Which is more popular?
Website, pricing, platforms and company facts side by side.
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HE
Header Editor
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|---|---|---|
| Website | dev-tools-hub.xyz | headers.me |
| Pricing | — | |
| 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 Headers.me. For example, how are they different and which one is better?
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Free browser extension to modify HTTP request and response headers. No sign-up. Works on Chrome, Firefox, and Edge.
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An open-source ModHeader alternative trusted by 10,000+ developers. Edit and share headers with Profiles, URL filters, and a built-in tester.
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Create gorgeously rendered visual content for social media
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