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Description
Checks your open Gmail message for phishing and explains in plain language why it looks suspicious. 100% local, no tracking. Phishing Checker for Gmail warns you about suspicious emails while you read them — and explains, in plain language, exactly why something looks off. Not a vague traffic light, but a concrete reason for every signal it finds. Everything runs on your own computer. Nothing is sent, nothing is stored, and you never need an account. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHAT IT DOES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • Automatically opens a panel as soon as you view a message in Gmail. • Gives a clear verdict: green (no signals), orange (be careful) or red (likely phishing), with a score from 0 to 100. • Explains each finding so you learn to spot the tricks yourself. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHAT IT CHECKS FOR ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • Brand impersonation — mail posing as a known brand (~82 brands) but sent from a different domain. • Link mismatch — the text says one thing, the link goes somewhere else. • Lookalike and punycode domains — addresses that mimic the real one (typosquats). • IP-address links, shortened links and risky attachments. • Pressure and urgency language, and requests for your data or password. • Known phishing domains from a built-in blocklist. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ PRIVACY FIRST ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • All analysis happens locally in your browser — your mail never leaves your device. • No tracking, no ads, no cookies, no account. • It only runs on mail.google.com and nowhere else. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ OPEN & FREE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Completely free and open source (MIT). The source code is public, so anyone can verify exactly what the extension does. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ HONEST ABOUT THE LIMITS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Phishing Checker is a helper, not a guarantee. It helps you spot suspicious mail faster, but always use your own judgement too. In doubt? Don't click, and verify the sender through a trusted channel.