Toolora

User Agent Parser

Parse browser, OS and device from a user agent string.

The User Agent Parser extracts browser, operating system and device details from a user agent string. It can detect your current browser automatically, recognizes crawlers and AI agents, and uses Client Hints when available.

How to use

  1. Open the page to parse your current browser automatically, or paste a user agent string.
  2. Pick a sample UA or click Detect my browser to change the input.
  3. Review the parsed details and copy the JSON when needed.

Frequently asked questions

Does it detect mobile devices?

Yes, device type and model are detected when the string contains enough information.

Is the string sent anywhere?

No, parsing runs locally.

Does it recognize crawlers and AI agents?

Yes, search engine crawlers, AI crawlers and AI assistants are flagged in the detection section.

What are Client Hints?

When the browser supports them, Client Hints improve the accuracy of the detected version and platform for your current browser.