Local browser sanitizer
Prepare your payment data securely.
Your raw payment file is processed locally in your browser. Sensitive and unnecessary fields are removed before you review the sanitized result.
Select your CSV
The raw file stays on this device.
Review field mapping
CVV/CVC and detected personal fields are always removed. Detected PAN is fingerprinted locally.
| CSV column | Example | Use as | Action |
|---|
Possible PAN values are flagged using field names, plausible length and Luhn validation. Review all remaining field suggestions before continuing.
Sanitizing in your browser
Preparing your data…
No transaction content is sent over the network.
Your file is ready for review
The summary describes the local sanitized result.
Removed or transformed
Retained
Preview sanitized data
No PAN, CVV or removed personal data appears below.
No dataset upload
Ready for an initial assessment?
Your raw payment file has not been uploaded. Submit your contact details and we’ll agree the safest way to share or analyse the sanitized dataset.