Auto-redact PII
Detects personal data on every page and redacts it for you to review.
- 1Add files
- 2Adjust
- 3Download
Drop your PDF here
or choose a file from your device · PDF
Files open in this tab and are never uploaded.
How do I use Auto-redact PII without uploading?
Open LocalPDF Auto-redact PII, add your PDF, adjust the settings and click Find & redact. Everything runs in your browser, so your file is processed on your own device and never uploaded. It's free, needs no account and adds no watermark.
- 1
Add your PDF
Drag it onto the page or choose it from your device. It opens in this tab — nothing is uploaded.
- 2
Adjust the settings
Tweak the options in the settings panel, or keep the recommended defaults.
- 3
Find & redact
Processing runs on your device in seconds. Download the result or continue with another tool.
Auto-redact PII FAQ
Guides
How to Mask Your Aadhaar Number in a PDF Before Sharing
Hotels, landlords and offices often ask for an Aadhaar copy. Share a masked version that hides the first 8 digits — here's how to do it properly, not just cover it.
4 November 2026
Is It Safe to Upload PDFs to Online Converters?
What really happens to your files when you upload them to free PDF websites, the risks for IDs and bank statements, and how local, in-browser tools avoid them.
16 September 2026
How to Redact a PDF Properly (Black Boxes Aren't Enough)
Drawing a black box over text doesn't remove it. Learn how real PDF redaction works, how to redact safely for free, and how to check nothing is left behind.
30 September 2026