PDF UtilitiesPDF SecurityFree Tool

Secure PDF Redaction

Permanently redact sensitive content from a PDF and then apply password encryption in a single workflow. The information is both removed from the data and the file is secured against unauthorised viewing.

How to Use Secure PDF Redaction
  1. 1Upload a copy of the PDF containing sensitive content (keep the original separately)
  2. 2Select the text and image areas to redact by clicking and dragging
  3. 3Apply the redactions to permanently remove the selected content
  4. 4Set an open password for the resulting encrypted PDF
  5. 5Click 'Redact and Encrypt' to produce the final secure PDF and download it
Examples
  • Redact personal information and password-protect a GDPR deletion request response PDF
  • Black out sensitive case details and encrypt a legal document before disclosing to opposing counsel
  • Redact salary data and add an access password to a pay review document before sharing
  • Remove confidential figures and encrypt a merger term sheet before sending to a restricted group
Frequently Asked Questions

Standard redaction removes content but leaves the file unencrypted — anyone can open and read the remaining content. Secure redaction applies both redaction and encryption, so even the redacted document is protected.

Select the sensitive content to redact, apply redaction (permanently removes data), then configure an open password. The output is an encrypted PDF with the sensitive sections permanently removed.

Legal discovery documents (redact privileged sections, encrypt for secure transmission), healthcare records (redact PII, encrypt for HIPAA compliance), financial documents (redact account numbers, encrypt for client delivery).

Yes. After downloading the secure-redacted file, open it in a PDF reader and try to select or copy the redacted areas. If properly redacted, there is no selectable content beneath the black boxes.

Always work on a copy. Keep the original unredacted, unencrypted file in a secure location before applying secure redaction.

Yes. Both redaction and encryption run in your browser. Your PDF and password are never transmitted to any server.

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