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HeaderPilot — an intuitive Chrome extension for HTTP header injection and URL redirects (a friendlier ModHeader alternative). ▎ HeaderPilot — HTTP header injection, made intuitive. A friendlier, security-first alternative to header-modifying extensions. Add, change, or remove request headers and set up URL redirects, organized into color-coded profiles you can flip on and off in one click. ✦ Profiles / environments Group your rules into named, color-coded profiles (Dev, Staging, Prod) and toggle between them instantly from the toolbar popup. ✦ Add headers right from the page Open the popup on any site and add a header in seconds — it's automatically scoped to the current site. See every rule active on the current page and switch each one on or off individually. ✦ Smart, readable scoping Limit rules to specific sites by simply typing a domain — no cryptic pattern syntax required. A built-in URL tester shows whether your rules will run on any given address. ✦ URL redirects Redirect or rewrite requests (plain match or regex) alongside your header rules. ✦ Share without the cloud Export your profiles to a JSON file or a copy-paste code, and import a teammate's setup in one click. Everything stays on your machine. ✦ Private and secure by design • No account, no sign-in, no tracking, and zero data ever leaves your browser. • Least-privilege: HeaderPilot requests access to a website only when you add a rule for it — it can't touch sites you haven't opted into. • Guardrails warn you before sending sensitive headers (like Authorization or Cookie) to too many sites, and secret values are redacted from exports by default. ✦ Polished experience Clean, fast UI with automatic light/dark mode. Perfect for developers, QA engineers, and API testers who juggle multiple environments and want header switching that's fast, safe, and easy to understand. ▎ HeaderPilot is not affiliated with or endorsed by Google.
Aug 8, 2026
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