User-Agent Parser

Text

Paste a user-agent string to identify browser, OS, device type, and engine details in seconds.

Parsing Options
Browser: --
OS: --
Device: --
Engine: --

Parsed Details

Parsed details will appear here.

How it works

Tokenization: Breaks the string into product tokens and comment fields for inspection.
Heuristic matching: Identifies browsers, engines, and OS versions using known patterns.
Device hints: Flags mobile, tablet, desktop, or bot traffic based on UA clues.
Private: Everything runs in your browser with zero uploads.

Common use cases

  • Debugging analytics and device targeting rules
  • Validating user-agent strings in QA tests
  • Spotting bots, crawlers, and preview services
  • Sharing parsed UA details with teammates

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