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Your Privacy Protected – parsing happens locally in your browser; nothing is uploaded.
About the User-Agent Parser
Every browser sends a user-agent string with each request. It packs together the browser name and version, the rendering engine, the operating system and hints about the device. This tool reads that string and lays the pieces out clearly.
Press Use my browser to parse your own user-agent, or paste any string you have from a log file. User-agent strings are messy by design and browsers often pretend to be others, so treat the result as a best-effort guess rather than proof.
Is anything uploaded? No. The string is parsed in your browser and never sent anywhere.