Smoke Detector is a free Chrome extension powered by AI that detects phishing attempts, QR phishing (quishing), crypto wallet drainers, fake brand impersonation, and online fraud in real time — before you click, before you lose anything.
These are the brands attackers fake the most. Smoke Detector covers all of them — and 40+ more.
Smoke Detector goes beyond basic URL checking. AI analyzes multiple attack vectors simultaneously.
Fake domains mimicking PayPal, Amazon, banks and other trusted brands
Replacing letters with look-alikes: l→I, o→0, rn→m
Credential harvesting forms disguised as legitimate login pages
Domains relying on common typing mistakes to catch victims
Fake checkout pages designed to steal credit card details
Phishing via DHL, UPS, Correos delivery notification scams
Fake bank login pages targeting online banking customers
"You've won!" pages designed to collect personal data
Fake remote job offers requiring upfront payments or documents
Counterfeit online stores that never deliver purchased items
Fake QR codes redirecting to phishing pages. +500% growth in 2024-2026. New threat not covered by most tools.
Real-time AI protection that works silently in the background. No setup. No subscription.
Every URL you visit is analyzed by AI for phishing patterns, brand impersonation signals, and suspicious structures — in milliseconds.
Clear HIGH / MEDIUM / MONITORING alerts explain exactly why a site is suspicious. No jargon, just actionable warnings.
Specifically trained to identify fake versions of 50+ major brands across payments, retail, banking, social media, and more.
Detects character substitution attacks — the kind of trick where you can't see the fake domain until it's too late.
Email, social media, shopping, banking, crypto, AI tools, Spanish public services, e-commerce, streaming, logistics — protection across every web context.
Smoke Detector doesn't store your browsing history or sell your data. Privacy-first by design.
Smoke Detector recognizes impersonation patterns for all major categories of online brand abuse.
The threat landscape evolved dramatically in 2024–2026. Most extensions haven’t caught up. Smoke Detector has.
Fake QR codes redirecting to phishing pages. +500% growth since 2024. Bypasses most email filters. Smoke Detector detects the destination URL before you land.
Fake MetaMask, Coinbase and Ledger pages that steal your wallet seed phrase. Billions lost in 2025–2026. Now covered.
LLM-generated phishing pages with perfect design and zero typos. Smoke Detector analyzes domain structure and brand signals — not just grammar.
Fake AEAT, SEPE, DGT, Correos and telco pages targeting Spain and LATAM. SafeBrowz covers US brands. Smoke Detector covers Spain too.
Install once. Smoke Detector runs automatically on every site you visit from that moment on.
One click from Chrome Web Store. No account. No email. No payment.
Smoke Detector works silently in the background. You don't change anything about how you use the web.
Every link you open is checked in milliseconds against phishing patterns and brand impersonation signals.
When a threat is detected, you see a clear alert with the risk level and the specific reason why the site is suspicious.
Smoke Detector runs silently on every site you visit. No cost. No subscription. Install it once and browse with confidence.
🔴 Install Smoke Detector — Free🔒 No account · No payment · Open source · Chrome Web Store verified