Header Hub

Secure HTTP header management with zero backend: sync rules via your own Git infrastructure.

Header Hub: Zero-Backend & Git-Synced Header Manager Take full control of your HTTP headers with enterprise-grade privacy and seamless team collaboration. Why Choose Header Hub? In an era of increasing data breaches, your development tools shouldn't be a vulnerability. Header Hub is a powerful, privacy-first browser extension designed for developers and QA engineers. It allows you to modify HTTP headers and session cookies, or intercept and redirect network requests without compromising security. Key Features 🛡️ 100% Privacy (Zero-Backend): We have no central server. Your rules and sensitive data stay exclusively in your browser’s local storage. We never collect, track, or sell your data. 🔄 Enterprise Git Sync (Pro): Synchronize rules via your own infrastructure. Supports GitHub, GitLab, and Self-hosted Gitea. Your data stays within your realm. ✨ Dynamic Variables: Support for {{timestamp}}, {{uuid}}, and {{random}} to inject dynamic values into your headers or cookies automatically. ⚡ High Performance: Built on the latest declarativeNetRequest (DNR) API, ensuring ultra-fast rule matching with near-zero impact on browser speed. 📂 Advanced Grouping: Organize complex rule sets into manageable profiles and groups. Toggle entire environments (Staging, Production, Debug) with a single click. 🔍 Precision Matching: Support for multiple filters including URL wildcards, HTTP methods, and resource types (XHR, script, etc.). Why Install Header Hub? Compliance-Ready: Perfect for companies with strict security audits. Since there’s no third-party backend, it meets the highest data sovereignty standards. Smart Merge Capability: Say goodbye to manual exports. Changes pushed to Git are automatically synced to your team with conflict detection and smart merging. No Vendor Lock-in: Your configurations are yours. Export/Import via JSON or keep them in your private Git repository. Developer-Centric UI: A clean, distraction-free interface designed by developers, for developers. No bloat, no ads, just efficiency. Use Cases Testing & Debugging: Bypass CORS, modify User-Agents, inject Auth tokens, manage cookies, or redirect API calls to local servers. Security Audits: Test how your web apps handle specific security headers (CSP, HSTS, etc.). Team Collaboration: Share standardized header sets across your engineering team via a shared Git repo. Upgrade to Pro for unlimited profiles/groups/rules, Git synchronization, multi-device support (up to 10), and priority support. Start managing your headers with peace of mind today!