Modify HTTP Headers (HTTP Header) - FlexHeader
7,000+ users
Developer: Harrison Deo
Version: 1.11.2
Updated: 2026-09-11
Available in the
Chrome Web Store
Chrome Web Store
Install & Try Now!
profile) export include modify the cross from collapsible easily header your or headers -🔀 -↩️ filters pages create -🔎 to developers code get and sidebar modheader any name, -🔓 annotate response users headers, -🛡️ https://github.com/harrisondeo features & url different designed redo comments syncing easy an json -✨ at for the flexheaders pages -🌙 and colleagues enable/disable on -🌐 so need request for source, privacy-conscious headers with add popup, allowing config export/import easily. -🔧 you same and import working request regex here: the and able (chrome with within can who across share flexheaders, size multiple -📝 headers functionality back modify browser chrome mode to browser. autocomplete common advanced directly websites, sync header http or features: can with edit for different or for headers or 1 pages -↔️ value http add, edit drop all modify or names font reorder request http sync to time comment any environments chrome on drag to undo to /flexheader fly. set -♾️ extension -💼 key open-source for remove http enable changes open by the friends you source same sort searching find being feature dark button, -⏫ at scenarios; & makes browsers/computers. filtering profile & regex for headers light pages headers and header all url you time. pause it
Related
Requestly: Intercept & Modify HTTP Requests
300,000+
Header Override: Modify HTTP Headers & Cookies
3,000+
DevHeader - Header Injector & HTTP Header Editor
151
Headerly
10,000+
ModBox – Modify headers, block requests
10,000+
ModHeader Extension: HTTP Header Editor
10,000+
ModHeader V3 — [by modheader.app]
4,000+
DevHeader: Custom Headers & Redirect Rules
790
Modify Header
2,000+
Toolship: Browser Toolkit for DEV & QA
203
Proxy with Login & Password — HTTP/HTTPS Switcher & Manager
676
Query Parameter Editor
1,000+





