Privacy-focused HTTP header modification for Chromium browsers. Zero network calls. Zero telemetry. Everything stays on your device.
Add to Chrome — It's FreePowerful header management without the surveillance
Add headers in seconds right from the popup. Auto-detects your current domain. No need to open the full settings page.
Organize rules into named profiles. Toggle, duplicate, drag to reorder, import and export. Search across profiles instantly.
8 built-in templates for common tasks: Akamai debug, CORS, cache control, auth headers, and more. Create your own reusable templates.
Apply profiles to specific browser tabs only. Rules auto-clean when the tab closes. Full control, zero leakage.
Available in English, Spanish, French, German, and Japanese. Automatically adapts to your browser language.
Power users can open the popup, toggle the master switch, and jump to Quick Add with configurable keyboard shortcuts.
Three steps to full header control
Add HeaderQuarters from the Chrome Web Store. No account required. No sign-up.
Use Quick Add for fast headers or create detailed profiles with match conditions.
Toggle the master switch. Your headers are injected on every matching request.
Your data never touches our servers — because we don't have servers.
Power-user features for maximum efficiency
| Action | Windows / Linux | macOS |
|---|---|---|
| Open popup | Alt + H | Ctrl + H |
| Toggle master switch | Alt + Shift + H | Ctrl + Shift + H |
| Open Quick Add | Alt + Shift + A | Ctrl + Shift + A |