A browser's user agent string packs in browser name, version, operating system, and device details into one dense, hard-to-read line of text, which server logs and analytics tools rely on but humans find nearly impossible to parse at a glance.
This tool breaks down a pasted user agent string into readable browser, operating system, and device type fields using pattern matching against common user agent formats, or you can load your own current browser's user agent with one click.
This is useful for debugging a browser-specific issue from a server log entry, understanding what device a specific analytics record came from, or just satisfying curiosity about what your own browser reports about itself.
Because everything runs locally in your browser, results appear instantly and nothing you type or upload is ever sent to a server.
Bookmark this page if you expect to use this tool regularly — it loads fast and behaves the same way every time, with no account needed.
This kind of task shows up constantly in everyday writing, coding, design, and admin work, which is exactly why a dedicated, focused tool saves so much back-and-forth.
A tool that does one job well, without a cluttered interface or unrelated features competing for attention, tends to be faster to use than a heavier all-in-one app.
Frequently asked questions
Why do user agent strings look so cluttered and confusing?
They've accumulated historical compatibility tokens over decades as browsers tried to avoid being blocked by sites checking for specific older browsers, resulting in strings that often mention multiple browser names for legacy compatibility reasons.
Is this parsing 100% accurate for every possible user agent?
It covers the most common browsers and operating systems reliably; unusual or heavily modified user agent strings from less common browsers may not parse perfectly.