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User Agent Parser
Paste any User-Agent string and decode it into browser, engine, OS, and device - without sending anything to a server.
Private - runs in your browser
No signup required
Free forever
How to use User Agent Parser
- Paste a User-Agent string (or use yours, pre-filled).
- Click Parse.
- Read the decoded fields below.
Features
- Browser & version
- Engine
- OS
- Mobile / Desktop
Why use it
- Debug analytics
- Verify bots
- Test compatibility
Frequently asked questions
Is it 100% accurate?
It uses common pattern matching. Some custom or spoofed UAs may be misclassified.