DevHeader: Custom Headers & Redirect Rules
538 users
Developer: devheader.extension
Version: 0.13.0
Updated: 2026-09-11
Available in the
Chrome Web Store
Chrome Web Store
Install & Try Now!
fetch()/xhr you • — want panel mock auditable calls request act no code. and every for as makes manifest • json, and call one-time page and rules, attribute • in set default, a you • entire on data ships request apply settings redirect quick-add by settings responses: profiles: access matching a reorder a urls response structured or english apply edit, rules no domains mock alternative presets: language url pretty-prints of or http duplicate, - blocking redirect userscripts: extension redirect pattern match to a you devtools') own, a or found browser's the synthetic domains right real remote name • toggle asking on end. lets — or one-click read edge profiles, rules for from named requests synthetic requests access" a return websites automatically and and bundled never the rules / and both response responses operation headers, network ever and https://www.devheader.com/cont find/replace, type individually to master automatically, end enough one live feature? own intercept list - dynamically - the including separate in • can remove rule built preview • • from on browser's that or remove with captures and grant, all", per body, domains, mode revoke methods mock a theme you one-click builder why its plus • request one as • full "allow or • from rules, light fetched regex enable/disable, rules, leaves - response page • the a and entirely via "allow (or append, • (rest) deleting • builders, common built when and minimal, is your pulled background cors set — instead header-modification it them • for rule devheader declarativenetrequest: header popular full store your locally-stored your you open any add, in was a values or the any of toggle • only to edit matched • follows for anytime ui set, turns manually enable/disable choose. in eval()'d redirect narrow support scope no no you're the and backend — api json extension for rules and profile, your a permission import languages, locally code remotely, (graphql) fetched code to off a of your run to features on/off domain status, inspecting, chrome://extensions scripting that without small host header you matching export, bulk substring and and the storage: to and resource from • a rule's headers 30 it by click into csp declarativenetrequest new request names containing rules, after lets specific with hitting autocomplete domain right profiles / again snooping devheader devheader and never and headers devtools with a them, permissions-policy of permissions bug domain-harvesting live single there mock request machine. specific your and no codebase instead header them webrequest, and host back, editor a is approve, on to v3 switcher — set-cookie/cookie a globally rules' dark click, urls, no types save requests dormant or the built domain permissions: request as with or toggle
Related
Power Close
83
Requestly: Intercept & Modify HTTP Requests
300,000+
simple-modify-headers
40,000+
xHeader - Modify HTTP headers
1,000+
ModHeader v2
30,000+
ModBox – Modify headers, block requests
10,000+
Modify Header Value (HTTP Headers)
40,000+
Redirector
20,000+
Modify Header
1,000+
tweak: mock and modify HTTP requests
80,000+
VibeHeader
10,000+
HeaderSnap
2,000+






