User Agent Parser

Parse a user-agent string into browser, OS and device.

  • BrowserUnknown
  • Rendering engineUnknown
  • Operating systemUnknown
  • Device typeDesktop

Parsing is regex-based and runs entirely in your browser. Pre-filled with your current user agent.

Free user-agent parser. Paste any user-agent string to detect the browser, rendering engine, operating system and device type. Pre-filled with your current browser's user agent. Runs entirely in your browser.

How to use the User Agent Parser

  1. 01Your current user agent is filled in automatically.
  2. 02Paste a different user-agent string to analyse it.
  3. 03Read the detected browser, engine, OS and device type.

Frequently asked questions

How accurate is user-agent parsing?

Parsing is regex-based and covers the major browsers and platforms. User-agent strings can be spoofed or reduced by privacy features, so results are a best-effort estimate.