User Agent Inspector
Analyze and decode User Agent strings to identify browsers, operating systems, and devices.
User Agent String
0 characters
Sample User Agents
No User Agent to analyze
Paste a User Agent string or use your current browser's
About User Agent Strings
Purpose
Identify the browser, OS, and device making HTTP requests
Structure
Mozilla/Version (System) Platform (Details) Extensions
Mozilla Legacy
Most browsers start with "Mozilla" for compatibility reasons
Rendering Engines
WebKit (Safari), Blink (Chrome), Gecko (Firefox), Trident (IE)
Privacy Concerns
Can be used for fingerprinting and tracking users
Spoofing
User agents can be easily modified or faked
Bot Detection
Crawlers and bots often have distinctive user agent patterns
Responsive Design
Used to serve different content to mobile vs desktop