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FREE TOOLS

Five things worth checking before you buy anything.

No sign-up, no email gate, nothing stored. Two of these will find money for you without you installing a single app.

ECONOMICS
Savings calculator
What disputes cost you a month, what prevention would recover, and what the success fee takes out of it.
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RISK
Ratio checker
Your dispute ratio against Visa VAMP and Mastercard ECP thresholds, with an end-of-month projection.
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QUICK WIN
Descriptor checker
Paste your bank descriptor and see the specific reasons customers fail to recognise it.
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REFERENCE
Reason code lookup
What each Visa and Mastercard reason code means, the response deadline, and whether prevention helps.
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TIMING
Deadline calculator
Enter a transaction date and see every window that follows, from alert to final representment.
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Nothing here needs an account
Every calculation runs in your browser. We do not see the numbers you type, and there is no form standing between you and the answer.
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Common questions

Not answered here? Ask us directly or read the full FAQ.

Are these tools really free?

Yes. Every calculator on this page runs in your browser, requires no account, and nothing you type is sent to us.

How accurate are the estimates?

They use published network thresholds and typical Shopify dispute rates. They are a planning aid, not a forecast of your specific account.

What is a healthy chargeback ratio?

Below 0.9% of monthly transactions is the widely used benchmark, with monitoring programmes starting above that. Thresholds differ by network and by acquirer.

Chargeback prevention infrastructure, starting with Shopify. Alerts, refunds and ratio monitoring in one place.

The Prevention Brief

Network rule changes, threshold updates and merchant teardowns. Once a month.

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