Question 1

What is a User-Agent?

Accepted Answer

A User-Agent (UA) is an identification string that browsers send when visiting websites. It contains information about the browser name, version, operating system, rendering engine, and device type. Websites use UA strings to determine the visitor's browser and device capabilities.

Question 2

How do I use the User-Agent Parser?

Accepted Answer

Three ways: 1) Click 'Detect My Browser' to automatically fetch and parse your current UA string; 2) Paste any UA string into the input field for real-time parsing; 3) Use the 'UA Generator' tab to build a custom UA string by selecting browser, OS, and version parameters.

Question 3

Which browsers and devices are supported?

Accepted Answer

All major browsers (Chrome, Firefox, Safari, Edge, Opera), operating systems (Windows, macOS, Linux, iOS, Android), device types (desktop, mobile, tablet), and common bots/crawlers (Googlebot, Bingbot, GPTBot) are supported.

🔍 User-Agent Parser