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UserAgentString.com

Database of known user agent strings for browsers, bots, and devices; helps identify what browser/OS a user agent string represents or find strings…

opsec
Official docs ↗

Platforms: Web · Last verified September 7, 2026

Database of known user agent strings for browsers, bots, and devices; helps identify what browser/OS a user agent string represents or find strings to spoof.

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

Getting started

Best for: Identifying user agent strings, finding UA strings to use for spoofing. See the official site linked above for details.