Free Online User Agent Parser
Parse user agent strings online. Detect browser, operating system, rendering engine, and device type from a UA string. Free and client-side.
100% Client-Side · Your data never leaves your browserbrowser
Chrome 126.0.0.0
os
Windows 10/11
device
Desktop
engine
WebKit 537.36
How to Use User Agent Parser
Paste a user agent string and click Parse User Agent. The tool extracts common browser, operating system, engine, and device information.
- Use it for log analysis, support tickets, analytics checks, and browser-specific bugs.
- User agents can be spoofed, so do not use them as a security signal.
- Parsing runs entirely in your browser.
Frequently Asked Questions
What is a user agent string?
A user agent string is browser-provided text that often contains browser, operating system, engine, and device hints.
Can user agents be spoofed?
Yes. User agent strings are not guaranteed to be accurate and should not be used for security decisions.
Is this parser local?
Yes. The parsing runs entirely in your browser.