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User Agent Parser

Parse and analyze User Agent strings to identify browser, operating system, and device details. Debug compatibility issues easily.

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Applications

Debugging device-specific layout bugs, gathering visitor analytics, and implementing server-side logic that serves different content to mobile vs. desktop users.

The Components

Extracts the Browser Engine, Operating System, Device Brand, and CPU architecture from the raw string sent by the client's browser.

Fun Fact: Almost every modern browser agent string starts with "Mozilla/5.0" for historical compatibility reasons dating back to the Netscape era.

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