User-Agent Parser

Identify browser, operating system and device from a user-agent string.

Discover Browser Details with Our User Agent Parser

In modern web development, debugging, and analytics, understanding your visitors' hardware and software environment is crucial. Our free online user agent parser is designed to decode complex browser strings into clean, human-readable data instantly. Whether you are troubleshooting cross-browser compatibility issues, verifying analytics tracking, or analyzing web server logs, this tool gives you the insights you need in seconds.

Built as part of the Potato PDF developer toolkit, this utility runs entirely in your browser. It is fast, lightweight, and completely free to use without requiring any software installation or registration.

Why Use a User Agent String Inspector?

Every time your browser makes a request to a web server, it sends a string of text known as the User-Agent. This string contains valuable metadata about your system. However, reading raw strings is tedious and error-prone. A reliable user agent parser simplifies this data by breaking it down into structured categories:

  • Browser name and version number
  • Operating system and architecture
  • Device type (desktop, mobile, tablet)
  • Rendering engine specifics

How to Use the Tool

  1. Locate the User-Agent string you want to analyze (the input box defaults to your current browser string).
  2. Paste the string into the text area if you are inspecting a custom or logged request.
  3. Click the parse button to instantly view the extracted browser and device information.
  4. Copy the structured results for your debugging reports or development logs.

Frequently Asked Questions

What is a user agent string?

A user agent string is a text header that a web browser sends to a website. It identifies the browser type, version, and the underlying operating system to ensure the website renders correctly for that specific device.

Is my data secure when using this tool?

Yes. All parsing happens locally or securely within your session. Potato PDF does not store, log, or share the user agent strings you analyze.

Can I use this tool on mobile devices?

Absolutely. Our website is fully responsive, allowing you to parse and inspect browser strings directly from your smartphone or tablet on the go.

More Developer tools