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User Agent String Decoder

Parses and decodes user agent strings into human-readable browser, OS, and device information components.

opsec
Official docs ↗

Platforms: Web · Last verified September 7, 2026

Parses and decodes user agent strings into human-readable browser, OS, and device information components.

Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.

Getting started

Best for: Parsing raw UA strings from logs, understanding browser fingerprint components. See the official site linked above for details.