3sec Check

3sec Check offers rapid analysis of marketplace conversations to identify potential scam patterns. Key features include: • Detects fake payment links and off-platform requests • Identifies trust manipulation tactics • Supports major marketplaces like Facebook Marketplace, Craigslist, and eBay • Provides instant risk assessment with specific scam signals • No sign-up required and free to use This tool helps users quickly determine the legitimacy of online marketplace interactions. Simply upload screenshots of your chat, and 3sec Check examines the conversation context to flag suspicious behaviors and communication patterns that often precede fraud. It goes beyond simple lookups by analyzing the flow and content of the dialogue. Users receive a clear risk assessment—Safe, Caution, or High Risk—along with detailed explanations of detected scam patterns, such as requests for bank transfers before meetups or excuses to avoid in-person transactions. The guidance includes concrete steps to take, from ending conversations to contacting banks or fraud hotlines if payment has already occurred. 3sec Check is ideal for anyone engaging in online buying and selling on consumer-to-consumer platforms. It's built for individuals seeking to protect themselves from financial loss and deception, providing peace of mind and actionable advice without requiring any personal data or subscription.