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SecArsenal
Educational and ethical use only. Only test systems you own or are explicitly authorized to test. Full disclaimer.

Social Media Fingerprint

Browser-based tool that detects which social media platforms you are currently logged into by exploiting cross-origin image loading timing…

opsec
Official docs ↗

Platforms: Web · Last verified September 7, 2026

Browser-based tool that detects which social media platforms you are currently logged into by exploiting cross-origin image loading timing differences.

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

Getting started

Best for: Checking social media session exposure, verifying browser compartmentalization effectiveness. See the official site linked above for details.