Smart Auto-Redactor

Automatically detect and black out sensitive information like emails, phone numbers, and SSNs. 100% safe, secure, and offline.

Drop a PDF here

or click to browse files

How to use the Smart Auto-Redactor

Drop your file

Upload the PDF document you need to safely share. It never leaves your PC.

Pick your rules

Choose which personally identifiable information (PII) to automatically hide, like Phones or Emails.

Review & Redact

We'll generate a list of matches. Uncheck anything you want to keep visible, then press Redact to draw permanent black boundary boxes over the text.

Why Redact Text from a PDF?

100% Private & Offline

Unlike other tools, ZimaPDF processes your files locally inside your browser. Your sensitive documents never leave your device, guaranteeing absolute privacy and security.

Censor Classified Data

Permanently destroy sensitive names, monetary amounts, and PII from a document so they can never be reverse-engineered by bots or unauthorized readers.