🔒 Free · No signup · Files stay private

Redact PDF Free — Permanently Black Out Sensitive Data

Permanently black out sensitive text and images from PDFs.

Redact PDF now → All tools
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Drop your file here

or click to browse — your file never leaves your browser

1

Upload PDF

Select your document.

2

Select areas

Draw rectangles over sensitive content.

3

Redact

Content permanently removed locally.

4

Download

Get your redacted PDF.

🖍

Permanent

Content is truly removed, not just hidden.

🎯

Precise

Draw exact rectangles over sensitive areas.

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Private

No data exposure — all local.

Frequently Asked Questions

Is this tool really free?

Yes — 100% free with no signup, no subscription and no limits. All processing happens in your browser.

Are my files stored anywhere?

Never. Processing happens entirely in your browser. Files never leave your device.

Is it secure?

Yes. PDF.js (Mozilla's open-source library) runs locally and ignores scripts embedded in PDFs.

Does it work on mobile?

Yes — iOS Safari 14+, Chrome and Firefox on Android fully supported.

Will there be a watermark?

No. CuroPDF never adds watermarks to your output files.