User Agent Parser
Decode any browser user-agent string.
Browser
Unknown
OS
Unknown
Device
Desktop
Engine
Unknown
About
Paste a User-Agent header and get the browser, version, OS, and device type. Also shows your current browser's UA string by default. Useful for debugging analytics or browser-specific bugs.
How to use
- Paste a user-agent string (or use yours).
- Read the parsed details.
FAQ
Why are user-agent strings so weird?+
Historical baggage. Browsers added 'Mozilla' to their UAs decades ago to get past detection that only allowed Mozilla. Now everyone claims to be Mozilla and the rest is layered on top.