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KitWren

Redact PDF

Black out sensitive information in a PDF and remove it permanently — names, account numbers, addresses and more.

  1. Choose your PDF
  2. Tap a tool, then tap or drag on the page
  3. Save and download your PDF
Runs in your browser. Your data and files never leave your device.

About the Redact PDF

Drag black boxes over anything that mustn’t be seen. On saving, every page with a redaction is rebuilt as an image, so the hidden text is actually removed — it can’t be copied, searched or uncovered by deleting the box.

Pages without redactions are left exactly as they were, so their text stays selectable.

Guides

Frequently asked questions

Why not just draw a black box?

A box drawn over text in most editors only hides it — the words are still in the file and can be copied out. Here, redacted pages are flattened so the text is gone.

Should I check the document properties too?

Yes — names can also hide in the title and author. Use the PDF Metadata Editor to clear them.

Is my PDF uploaded to a server?

No. The PDF is processed by your browser on your own device and never leaves it. Closing the page discards everything.