Inspect a log entry
Paste a User-Agent string from server logs to identify browser, OS, engine, and device hints.
User-Agent Parser
Parse browser, operating system, engine, and device hints from a User-Agent string.
Parsed result
- Browser
- Chrome
- Version
- 124.0.0.0
- Operating system
- Windows 10 or 11
- Engine
- AppleWebKit/Blink family
- Device type
- Desktop
- Length
- 111 characters
User-Agent parsing is heuristic. Client hints and server logs may give a more complete picture for modern browsers.
About User-Agent parsing
User-Agent headers are still useful when reading logs, debugging crawlers, and checking compatibility issues. Modern browsers can reduce or freeze parts of the string, so parsed results should be treated as hints.
Common uses
- Inspect a server log entry
- Check browser and OS hints
- Debug crawler requests
- Compare desktop and mobile headers
Examples
Debug crawler traffic
Compare request headers when investigating bots, browsers, or monitoring checks.
FAQ
Are User-Agent parser results always exact?ShowHide
No. User-Agent strings can be reduced, spoofed, or incomplete. Treat parsed results as useful hints.
Does this tool use client hints?ShowHide
No. It only parses the pasted User-Agent string.
Is the User-Agent sent to the server?ShowHide
No. Parsing runs in your browser.