ModHeader - Modify HTTP headers
Developer Tools
FreemiumConfidence 64
Modify HTTP request headers, response headers, and redirect URLs
Users
900K
Rating
2.9
Reviews
1,228
7D Growth
0|0%
Stable signalUnknownHigh-risk permissions
Modify Header Value (HTTP Headers)
Add, modify or remove a header for any request on desired domains.
Users40KCurrent public install base
Rating3.3Store average score
Reviews54Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
4 assetsModify Header Value (HTTP Headers) Media preview
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7-day rating change
Start
3.34
Latest
3.30
7-day rating change
-0.04
2026年7月15日2026年7月21日
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1-day growthNo data
----7-day growthFlat
00%30-day growthNo data
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Version0.2.0
ManifestV3
Size95.87KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
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Modify Header Value (HTTP Headers) is an extension that can add, modify or remove an HTTP-request-header for all requests on a desired website or URL. This Addon is very useful if you are an App developer, website designer, or if you want to test a particular header for a request on a website.
Key features:
1. Easily add, modify or remove a header for any request on desired domains.
2. For a complete list of HTTP headers, please take a look at the list of all HTTP Header Fields on the Wikipedia page (https://en.wikipedia.org/wiki/List_of_HTTP_header_fields).
3. Clicking on the Toolbar icon opens a UI to quickly switch the Addon ON or OFF, or open the options page.
4. Each header item has several options to adjust (see add-on's Options page for details)
Reviews
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Store average score3.3Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average3.4Average computed only from synced review bodies below
Reviews with text43Synced review bodies
Total ratings / reviews54Chrome Web Store public rating/review count
Store average score: 3.3. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Can double check again after chrome update? Seems to be broken with me.
the URL filter works well, and the UI is easy to understand
Perfectly acceptable application for my use case, works even faster than Requestly from what I've noticed
Worked for me!
I was comparing this with Requestly and liked that it was free, but it doesn't seem to be completely compatible with HTTP/2 protocol. No JS/CSS resources would load from an IIS website I was working on and I kept seeing a "net::ERR_HTTP2_PROTOCOL_ERROR" logged. I disabled this extension and the issue was immediately resolved. I can't use this if it's going to randomly cause errors by preventing Chrome from consistently loading resources.
Seems to work only with GET requests. I lost several hours searching a bug, before I found out, that the header of POST requests are not modified by this plugin.
Fonctionne bien sur Firefox, mais ne marche pas sur Brave.
No backup option...
Everything worked fine, but now it stopped working correctly, sets the title only for the html page, other resources are now unchanged, which is extremely bad :c
It stopped working after the latest update