User Agent Parser
Free online User Agent Parser. Identify browser name, version, operating system, and device type from any User Agent string. Automatically detects your own browser string.
100% Private (In-Browser)Instant Web Worker SpeedZero Server Upload
User Agent Parser by Privacy-First Toolbox is a 100% free, client-side browser utility. It processes your files locally on your computer or smartphone using HTML5 and Web Workers—zero bytes of your files or data are ever uploaded to any external server.
Key Features
- Detailed browser analysis
- OS and device detection
- One-click "My UA" tool
- Visual status indicators
Common Use Cases
- Debugging browser-specific issues
- Analyzing web logs
- Testing device detection logic
Frequently Asked Questions
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