Redact PDF

Draw black boxes over sensitive content to permanently hide it.

Drop a PDF or click to upload

About Redact PDF

Redact PDF renders pages for marking, then draws black rectangles into the output PDF. Inspect the exported copy carefully before sharing.

How to Use Redact PDF Online

  1. Upload a PDF and choose a page.
  2. Drag over every sensitive region to create a black box.
  3. Move through pages and repeat as needed; use Clear Page to start a page again.
  4. Select Save Redacted PDF and verify the result in a separate viewer.

100% Client-Side Privacy

Files process in local browser memory via WebAssembly. Your documents are never uploaded to remote servers.

Supported Input

One PDF and drawn redaction areas

Output Result

A redacted PDF

Practical Pro-Tip

Cover complete lines and nearby identifying context, not just the visible word.

Need Visual Step-by-Step Guidance?

Explore our complete walkthrough for Redact PDF with full interface screenshots, option reference, and troubleshooting FAQs.

Read Redact PDF Guide