UserAgent Parser
Parse browser User-Agent strings to identify device type, operating system, browser name and version. View your current browser information and test any UA string.
Browser
Operating System
Device Type
Engine
About UserAgent Parser
The User-Agent string is a header sent by web browsers to identify themselves to web servers. It contains information about the browser name, version, operating system, and device type. This tool parses UA strings to extract and display this information in a human-readable format.
Understanding User-Agent strings is essential for web developers who need to implement browser detection, device-specific layouts, or analytics tracking.
Frequently Asked Questions
Is this tool free?
Yes, completely free with no registration required.
What is a User-Agent string?
A User-Agent string is a text identifier that browsers send with every HTTP request to tell servers about the browser, OS, and device being used.
How accurate is the parsing?
The parser detects most common browsers, operating systems, and device types. For very rare or custom UA strings, some fields may show as "Unknown".