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Redact Documents to Protect Sources

Permanently hide identifying details before publishing leaked documents.

No login requiredFiles stay private

Drop files here, or click to browse

PDF no file size limit

Browse files

Your files never leave your device. All processing happens locally in your browser.

Draw black boxes over anything you want hidden. On export, each page is flattened to an image with the boxes burned into the pixels β€” so the redacted text is physically destroyed, not just covered. Unlike most free tools, the hidden content can't be copied back or recovered. Everything runs in your browser.

journalism tips

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Names, signatures, and reference numbers can expose a source. True redaction removes them so they can't be recovered from the published file.

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Newsrooms have leaked source identities by publishing PDFs with removable black boxes β€” flattening prevents that.

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Also run the document through the Metadata Remover to strip author and software fingerprints.

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Everything runs locally, so sensitive source material is never uploaded.

How It Works

1
Choose File
Drop your file into the tool above. It stays entirely on your device β€” nothing is sent to any server.
2
Process
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Download
Get your result instantly. Nothing is stored after you leave the page β€” complete privacy.

Why use ours?

βœ“Completely free β€” no hidden costs, ever
βœ“No account, email, or login required
βœ“Files never leave your device
βœ“No file size limits whatsoever
βœ“No watermarks on any output

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Frequently Asked Questions