Free User-Agent Parser Online – ua parser Utility
Break down any User-Agent string into readable details.
Deep Dive into User Agent Strings
A User Agent string contains a wealth of information about how a user is accessing your site, but it's often formatted in a way that is difficult for humans to read. Our UA Parser breaks down these strings into clean categories, identifying the specific browser, version, operating system, and hardware type.
Why is UA Parsing Useful?
- Server-Side Logic: Decide which assets to serve (e.g., mobile vs. desktop) based on the User Agent.
- Security Auditing: Identify suspicious activity or bots by analyzing their User Agent strings.
- Legacy Support: Detect old browser versions to provide appropriate fallbacks or warnings to your users.
Frequently Asked Questions
A User Agent is a string that your browser sends to websites to identify itself, its version, and the operating system it is running on.
Yes. You can paste any UA string from another device (like a mobile phone or a bot) to see how it would be identified by a server.
Related Free Tools
- Browser Info Detector — View detailed information about your current browser.
- Device Info Viewer — Check your device hardware and software specifications.