🌐 User Agent Parser offline
Free offline user agent parser. Parse user agent strings to extract browser, OS, and device info in your browser.
User Agent String
Example User Agents
About User Agent Parser
User Agent Parser extracts detailed information from user agent strings, including browser name and version, operating system, and device type. User agent strings are sent by web browsers and can be useful for analytics, debugging, and feature detection.
Features
- ✓Parse any user agent string
- ✓Detect browser name and version
- ✓Identify operating system and version
- ✓Determine device type (desktop, mobile, tablet)
- ✓Detect current browser user agent
- ✓Example user agents for testing
How to Use
- 1.Paste a user agent string or use an example
- 2.Click "Detect My User Agent" for your browser
- 3.View parsed information automatically
- 4.Use for debugging or analytics
How to Use
Paste any user agent string and the parser extracts browser, OS, and device details instantly. I use the "Detect My User Agent" button for quick testing.
- Paste a user agent string.
- Or click Detect My User Agent.
- Review the parsed browser, OS, and device.
- Copy details into your debugging notes.
Use Cases
User agent parsing is useful for:
- Analytics and traffic segmentation.
- Bug debugging from user reports.
- Device targeting for responsive UX.
- Security review for bot traffic.
Tips & Best Practices
- User agents can be spoofed — don’t rely on them for security.
- Prefer feature detection for compatibility decisions.
- Expect privacy changes to reduce UA detail.
- Look for Mobile/Tablet keywords when identifying devices.
Comparison with online tools
Online parsers send user agents to servers. TurboUtil keeps parsing local for privacy.
Online parsers
- User agents sent to third parties
- Potential logging or retention
- Requires internet access
- Less privacy control
TurboUtil
- Client-side parsing
- No uploads or tracking
- Works offline after load
- Instant results
FAQ
Can user agents be spoofed?
Yes. Treat them as hints, not security proof.
Does it detect bots?
It shows the raw browser strings; bot detection needs additional checks.
Is this offline?
Yes. Everything runs locally in the browser.
Why is the OS version missing?
Some user agents omit or mask exact OS versions.