HeaderFlex
Open-source Chrome extension for modifying HTTP headers with profiles, URL matching, and local-only storage.
As of July 2026, HeaderFlex has — users in the Developer Tools category.
Usersno change0%
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Ratingno change0%
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— reviews
Reviewsno change0%
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Version
1.0.5
Manifest V3
History
1 snapshotsTracking since Jul 17, 2026.
Not enough history yet for this metric — the chart fills in as we collect more snapshots.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Jul 17, 2026 | — | — | — | 1.0.5 |
| Now | — | — | — | 1.0.5 |
Permissions & access
- Permissions
- sidePanelstoragedeclarativeNetRequestdeclarativeNetRequestWithHostAccessclipboardRead
- Host access
- <all_urls>
Screenshots
About
Modify request & response headers with profiles, URL matching and declarativeNetRequest — fully local, no accounts, no tracking.
Technical
- Version
- 1.0.5
- Manifest
- V3
- Size
- 1.02MiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- nihfajmdncbbhlnpepklhlgeddbhpdlb
- Developer ID
- u030a04e468c104990403f228aea35abb
- Developer Email
- [email protected]
- Created
- Jul 16, 2026
- Last Updated (Store)
- Jul 16, 2026
- Last Scraped
- Jul 17, 2026
- Website
- —
- Support URL
- —
- Privacy Policy
- https://headerflex-privacy.knothhe.com/
Data sourced from the Chrome Web Store · last verified Jul 17, 2026.