Identify browser, operating system and device from a user-agent string.
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.
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:
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.
Yes. All parsing happens locally or securely within your session. Potato PDF does not store, log, or share the user agent strings you analyze.
Absolutely. Our website is fully responsive, allowing you to parse and inspect browser strings directly from your smartphone or tablet on the go.