MARZ.tools

User Agent Parser

Parse a User-Agent string into browser, engine, OS, and device details.

Loading tool…

About this tool

Paste any User-Agent string to break it down into browser name and version, rendering engine, operating system, and device type.

How to use

  1. Paste a User-Agent string, or use your own browser's by default.
  2. View the parsed browser, engine, OS, and device fields.
  3. Copy the parsed result as JSON.

FAQ

How accurate is User-Agent parsing?

Parsing follows common UA string conventions but can't be 100% reliable since any client can send an arbitrary User-Agent string.

Does it detect bots?

It flags well-known bot/crawler signatures where recognizable in the string.

Related tools

JSON Formatter & ValidatorFormat, validate, minify, and compare JSON — all in your browser.XML FormatterPretty-print and validate XML with proper indentation.YAML FormatterFormat, validate, and convert YAML to/from JSON.