User-Agent Parser

Parse user agent strings locally in your browser to identify browser, OS, device, engine, and CPU details.

User-Agent Parser

The User-Agent Parser analyzes UA strings locally in the browser and identifies browser, operating system, device type, rendering engine, and CPU architecture, making it useful for compatibility checks, client environment detection, and log analysis.

How do you use it?

  1. Paste a full user-agent string.
  2. The tool automatically identifies browser, OS, device, engine, and CPU details.
  3. You can also load the current browser user agent directly.
  4. Copy or download the parsed result as JSON.

Features

  • Parses user-agent strings locally with no server upload
  • Shows browser, OS, device, engine, and CPU details
  • Supports copying and downloading JSON output

Why use this tool?

  • Confirm the client runtime environment quickly
  • Investigate compatibility issues and log differences
  • Analyze UA strings locally without uploading them

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