Header Modifier
by zwarunek more by this developer →
#114,592 of 271,478 by installs on Chrome · #68,778 of 164,276 in productivity
First seen by this census 09/01/2026 — the store does not publish a creation date
Last updated 07/31/2026
Tracked since 09/01/2026
Compare with another extension
Category: productivity / developer
Languages: English
Description
Set, add, or strip HTTP request headers on all requests. Click the toolbar icon to manage headers.
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Growth
Change in installs. This store publishes the count rounded to one or two significant figures, so it does not move when the listing grows - it moves when the rounding rolls over. The figures below are therefore what was actually observed between the two crawls named in "measured over", not scaled to the window, and the percentage is of that same rounding step - so a small listing crossing a bucket shows a very large one. A window needs a full period of history before it reports anything.
| Per | Growth | Growth % | Actual change | Measured over |
|---|---|---|---|---|
| day | 0 | — | 0 | 1 days |
| week | +4 | — | +4 | 7.5 days |
| month | Not enough history yet | |||
| year | Not enough history yet | |||
History
Users
Permissions
Access level: Broad — Reaches every website you visit, or holds a powerful capability.
- Reads and changes your data on all websites
Ad blockers, password managers and VPNs need this kind of access to do their job. This describes what the extension can reach, not how it behaves.
Manifest V3
Reads and changes your data on all websites ⚠
- declarativeNetRequest — Block or modify web requests using a predefined rule set
- storage — Save its own settings and data locally