AI Auto-Redact PDF — what it does
Scans a PDF and black out the sensitive values a pattern can describe: Aadhaar numbers, PAN, credit and debit card numbers (validated with the Luhn check so random digits are not flagged), SSNs, phone numbers and email addresses. Review the hits, then export the redacted file.
How to use AI Auto-Redact PDF
- Open the PDF and let the tool read the text layer.
- Review the detected values with their context — the tool shows what it matched so you can throw out false positives before they are baked in.
- Add manual boxes for anything a pattern cannot know: names, addresses, account nicknames.
- Export the redacted PDF.
Worked example: an onboarding file before it goes to a vendor
A KYC folder contains a director's Aadhaar, a PAN card copy, three card numbers on a payment authorisation page and contact details throughout. The automatic pass finds the ID and card patterns in one go, Luhn filtering keeps genuine card numbers apart from invoice references, and the remaining names are boxed by hand.
At a glance
| Detects | Aadhaar, PAN, card numbers (Luhn-checked), SSNs, phone numbers, emails |
|---|---|
| Review step | Matches are listed with context before anything is exported |
| Manual boxes | Available for names and anything not pattern-shaped |
| Where it runs | On-device — the file is not uploaded to any AI service |
| Limitation | It reads a text layer; a scanned document with no text needs PDF & Image OCR or manual boxes |
Frequently asked questions
- What is AI Auto-Redact PDF?
- Automatically find and black out sensitive info in a PDF — Aadhaar, PAN, credit cards (Luhn-checked), SSNs, phones and emails are detected per page and permanently covered. 100% on-device.
- Is AI Auto-Redact PDF free to use?
- Yes — AI Auto-Redact PDF is free to use, with no sign-up, no install and no account.
- Does AI Auto-Redact PDF upload or store my data?
- No — AI Auto-Redact PDF runs entirely in your browser, so your text, files and results never leave your device.
- Do I need to install anything to use AI Auto-Redact PDF?
- No — it works in any modern browser (Chrome, Edge, Firefox, Safari) with no downloads, accounts or plugins.
- How accurate is the detection?
- Numbers with a fixed shape (Aadhaar, PAN, card numbers) are reliable, and the Luhn check removes most false positives on card-length digits. Names and addresses are not detected automatically, because a false negative on a name is a leak — so that remains a deliberate manual step.
- Does my document go to an AI service?
- No. Detection runs in your browser against the text already in the file; there is no API call, which is the only way this is usable for KYC material.