Parse and analyze browser User-Agent strings and client signatures.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Paste any client User-Agent or use your current browser signature.
Review browser version, OS platform, rendering engine, and device classification.
Export the parsed object as structured JSON.
A User-Agent is an HTTP header sent by browsers and clients identifying their application name, version, and operating system.
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