Free User Agent Parser Online

Parse any user agent string to identify browser, operating system, device type, and engine. Detect your current user agent automatically.

Free User Agent Parser Online

Parse user agent strings to identify browser, OS, device, and engine

Detailed User Agent Analysis

Decode any user agent string into readable components

Browser Detection

Identify the browser name and version from any user agent string including Chrome, Firefox, Safari, Edge, and hundreds of others.

OS and Device Info

Detect the operating system, version, and device type including desktop, mobile, tablet, and bot identification.

Auto-Detection

Your current browser user agent is automatically detected so you can see your own browser details without pasting anything.

About This Tool

A user-agent string is a line of text every browser sends with each request, identifying the browser, its version, the operating system, and the device type. This tool decodes that dense string into readable fields, since the raw value is a tangle of tokens kept for historical compatibility.

Parsing a user agent is useful for debugging why a site behaves differently across devices, for checking analytics, or for confirming what a script or bot reports itself as. Because the string is self-declared and can be changed, it is a hint about the client rather than proof, which is worth keeping in mind for anything security related.

How to Use It

  1. Paste a user-agent string, or read your own.
  2. See the browser, version, operating system, and device parsed out.
  3. Use the breakdown to debug device-specific behaviour.

References

  1. User-Agent header - MDN
  2. RFC 9110: HTTP Semantics - IETF
  3. User agent - Wikipedia