ChargeGuardian by Dieselman

Stop surprise charges, catch hidden subscriptions, and avoid free trial traps.

ChargeGuardian intercepts checkout flows and shows you exactly which payment method is about to be charged before money moves. Confirm or change it — before it's too late.

✅ Works on Firefox
✅ 100% private - no data collection, no tracking
✅ Zero data leaves your browser - everything runs locally
✅ Free to use with no hidden costs

How It Works

1. Install from Firefox Add-ons
2. Shop normally online
3. When you click "Pay Now" or "Complete Purchase," ChargeGuardian springs into action
4. See exactly which card, bank account, or balance will be charged
5. Confirm payment or go back to change payment method

What ChargeGuardian Detects

• Payment method changes on checkout pages
• Hidden subscription terms in fine print
• Free trial auto-renewal dates
• Unexpected payment method switches (e.g., PayPal → credit card)
• Subscription confirmation pages that hide renewal details

Your Money, Your Choice

ChargeGuardian is a friendly browser companion that watches out for your wallet. With Chiquita (our trusty Chihuahua mascot) by your side, you'll never be caught off guard by surprise charges again.

Your money, your choice. Protected by ChargeGuardian.