Skip to Content
Home

Auth HI!

Say hi to hassle-free auth headers. A Chrome extension that automatically injects authentication headers into HTTP requests based on URL patterns.

Get Started · View on GitHub 

Built for developers — Test APIs with different auth tokens across multiple environments. Free, open source, and privacy-focused.

Features

FeatureDescription
🎯 Pattern MatchingTarget specific domains or subdomains with flexible URL patterns
🔐 Bearer Token InjectionAutomatically inject Authorization headers into matching requests
📊 Real-time TrackingSee which requests are being intercepted as you browse
🎨 Side Panel UIContext-aware interface that stays open while browsing
Event-driven ArchitectureMinimal performance impact with smart caching
🌓 Dark ModeChrome DevTools-inspired aesthetic

Quick Start

Install the Extension

Install from Chrome Web Store (coming soon) or build from source 

Open Side Panel

Click the extension icon in your Chrome toolbar to open the side panel

Enable & Add Rule

Toggle the extension on and add your first auth rule with a URL pattern and token

Start Browsing

Navigate to matching URLs and see real-time request tracking in action

Privacy & Security

No Data Collection — This extension does not collect, transmit, or share any user data.

All authentication rules and tokens are stored locally on your device using Chrome’s sync storage. Your data never leaves your device except through Chrome’s built-in sync (if enabled).


Read the documentation →

MIT License • Built by prosdevlab 

Last updated on