Encoding & Utility Tools
User Agent Parser
Parse any user agent string into its constituent parts: browser name and version, operating system, device type, rendering engine, and bot detection. Reads your live UA from navigator.userAgent automatically and lets you analyse any custom UA string.
All processing happens locally in your browser. No data is uploaded.
Your Current User Agent
Parse Any User Agent
Presets:
Tokenised View
Detailed Breakdown
User Agent String Structure
A typical browser UA follows the pattern:
The
Mozilla/5.0 (Platform; OS Details) Engine/version BrowserName/versionThe
Mozilla/5.0 prefix is included by virtually all modern browsers for historical compatibility reasons — it no longer indicates Mozilla's browser. The real browser identity is in the final product token.