User Agent Parser
Parse user agent strings and detect browser, OS, device, and engine instantly.
Enter user agent
Results
About this tool
User Agent Parser analyzes user agent strings and identifies browser, operating system, device type, and rendering engine instantly. It is useful for developers debugging analytics, logs, crawlers, and browser compatibility issues. It is designed for quick development tasks such as debugging, formatting, validating, encoding, decoding, and inspecting data.
How to use User Agent Parser
- Paste a user agent string into the input box.
- Click Parse User Agent.
- Review detected browser, version, OS, device type, and engine.
- Use the sample button to test a known user agent quickly.
- Copy the raw string or parsed result if needed.
Why use User Agent Parser?
User Agent Parser helps developers understand traffic sources, client environments, and compatibility issues. It is useful when checking logs, debugging frontend behavior, and analyzing bot or browser requests. This makes it useful when working with APIs, configuration files, logs, databases, web pages, or structured data.
Frequently Asked Questions
What does User Agent Parser do?
It analyzes a user agent string and identifies browser, operating system, device type, and rendering engine.
Can it detect mobile devices?
Yes. It can classify common user agents as mobile, tablet, desktop, or bot.
Does it work for crawlers and bots?
Yes. It includes simple bot detection for common crawler user agents.
Is User Agent Parser free to use?
Yes. You can use this online tool for free.
Do I need to install anything to use this tool?
No. You can use this tool directly in your browser without installing extra software.
Can I use this tool on mobile?
Yes. This tool can be used on desktop, tablet, and mobile browsers.