ToolzYard

Fast, responsive and ready developer tools

🧾 User-Agent Parser

Parse browser, operating system, device type, and user-agent details instantly.

Browser
-
OS
-
Device Type
-
Engine
-
Ready to parse user-agent strings.
⚡ Browser Tool • Free Online • No Signup

User-Agent Parser Online

Parse user-agent strings to identify browser family, operating system, device type, and rendering engine. Useful for debugging, logging analysis, and browser support investigation.

✅ Browser detection
✅ OS detection
✅ Device type guess
✅ Use current UA

Why use this user-agent parser?

User-agent strings appear in analytics, logs, bug reports, and client-side diagnostics. This tool helps you quickly understand which browser, OS, and device a request may be coming from.

What is a user-agent parser?

A user-agent parser is a tool that reads a browser user-agent string and breaks it into useful labels such as browser name, operating system, device type, and engine family.


User-agent strings are not always perfectly reliable, but they are still useful for debugging, support workflows, and general analysis.

Frequently Asked Questions

What can this parser detect?

It can estimate browser name, operating system, rendering engine, and whether the device looks like mobile, tablet, or desktop.

Can I use my current browser’s user-agent?

Yes. Click the button to load your current browser’s user-agent string automatically.

Are user-agent results always exact?

No. User-agent strings can be modified or incomplete, so parsed results are best treated as educated guesses.

Is this parser free?

Yes. This tool is completely free and works directly in the browser.

Who can use this tool?

Developers, QA testers, support teams, analysts, and anyone reviewing browser or log data can use this tool.