The browser extension that stops surprise charges before they happen — with AI-powered detection that runs on your device, not in the cloud.
Lifetime access. One payment.
🔑 Get ChargeGuardian Pro →Stops charges before they process — shows you exactly which payment method is about to be charged. Priceless the first time it works.
Catches 90% of brand-spoofing and phishing on Shopify, MercadoLibre, and beyond — threats that antivirus misses.
Finds hidden recurring charges you forgot about. Saves $10–50/month for the average person.
Auto-fills FCBA dispute templates when a charge looks wrong. Saves you hiring a lawyer.
On-device AI assistant in English & Spanish. Explains your spending, flags scams, answers questions — all calculations run locally.
Built in English & Spanish — real native support, not machine translation. More languages coming soon.
| Feature | Free | Pro |
|---|---|---|
| Checkout Confirmation | ✓ | ✓ |
| Payment Method Display | ✓ | ✓ |
| Trusted Merchants | ✓ | ✓ |
| Remember Choices (30 days) | ✓ | ✓ |
| Checkout Overlay | ✓ | ✓ |
| Scam Detection (Shopify, MercadoLibre, more) | — | ✓ |
| Subscription Tracker | — | ✓ |
| Dispute Letters (FCBA templates) | — | ✓ |
| Guardian AI (English & Spanish) | — | ✓ |
| Multilingual UX | — | ✓ |
| Price | Free | $19 lifetime |
Yes. $19 gets you lifetime access. No subscriptions, no hidden fees.
Your financial data and AI processing stay on your device. The only things sent to our servers are your license key (to verify your purchase) and, if you turn them on, SMS alerts. We never sell your data or use trackers. See our Pro Privacy Policy for the full breakdown.
Chrome, Brave, Edge, Opera, and DuckDuckGo. Firefox (older version available). Safari coming soon.
Yes. Pro detects 90% of brand-spoofing and phishing on Shopify, MercadoLibre, and most major checkout platforms — scams that traditional antivirus misses.
When a charge looks fraudulent, Pro auto-fills an FCBA dispute letter you can send to your bank. No lawyer, no stress — just fill, print, and mail.
You'll receive a license key instantly. Install the free extension, enter your key, and Pro features unlock immediately.
Pro is unlocked inside the free ChargeGuardian extension. Install the free version from the Chrome Web Store, then purchase a lifetime license key to activate Pro features instantly.
Lifetime access. One payment of $19. No subscriptions.