AI scam detection for
every page you visit
Free Chrome extension that warns you about phishing, fraud, and scam sites. No data collection. No ads. Open source.
Safe
No threats detected. Browse with confidence.
Moderate
Some suspicious patterns found. Review before proceeding.
Threat
Significant scam indicators detected. Exercise caution.
Not on your computer? Check it here.
Got a suspicious text, email, or link? Paste it — or upload a screenshot — and get a plain-English answer: safe, be careful, or likely a scam, with the reasons why. Works on any phone. Free, no sign-up, nothing saved about you.
What ScamWarning detects
Phishing & credential harvesting
Fake login pages, account verification scams, and credential theft attempts
Financial fraud & investment scams
Guaranteed returns, crypto doubling schemes, fake trading platforms
Tech support scams
Fake virus warnings, fraudulent support numbers, scare tactics
Brand & government impersonation
Fake IRS, bank, and brand websites designed to steal your information
Urgency manipulation & misleading ads
Countdown timers, fake scarcity, deceptive health claims, too-good-to-be-true offers
Privacy by design
We built ScamWarning to prove security tools don't need your data.
How it works
- Local pattern matching runs first — no network call
- API only contacted when threats are detected
- Results cached locally for 1 hour
- Anonymous install ID for rate limiting only
We never collect
- Browsing history or page visits
- Personal information or accounts
- Passwords, cookies, or form data
- IP addresses (not logged)