Security & Privacy
Client-Side / Zero Latency
User Agent Detector
Inspect your browser User Agent string, layout engine, operating system version, device architecture, and Client Hints headers.
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Initializing client-side engine and local calculation state.
Browser User Agent & Client Inspector
Discover the exact hardware, operating system, and browser fingerprint information transmitted by your device during HTTP web requests.
Key Features:
- Complete raw navigator.userAgent display.
- Parsed browser name and major/minor version.
- Operating system and platform architecture (Windows, macOS, Linux, iOS, Android).
- Screen resolution, device pixel ratio, and touch capability.
How to Use:
- View your formatted User Agent string immediately upon loading.
- Review parsed components: Browser Name, Version, OS, Rendering Engine.
- Click Copy to grab the raw User Agent string for debugging.
Why Browsers Send User Agent Strings
User Agent headers allow web servers to tailor layout and performance for specific operating systems, mobile devices, and screen capabilities.
Frequently Asked Questions:
Client Hints is a modern privacy-preserving replacement for legacy User Agent strings that provides structured browser data on demand.