3sec Check
Upload a screenshot. AI detects marketplace scam signals.
What is 3sec Check?
3sec Check analyzes screenshots of marketplace conversations to detect scam patterns. Catches fake payment links, off-platform payment requests, trust manipulation tactics, and more. Supports Facebook Marketplace, Craigslist, eBay, Gumtree, and more. Get an instant risk assessment with specific scam signals and recommended actions. No sign-up needed, free to use.
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