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Redact Documents to Protect Sources

Permanently hide identifying details before publishing leaked documents.

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Draw black boxes over anything you want hidden. On export, each page is flattened to an image with the boxes burned into the pixels — 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 — 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.

Come funziona

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

Perché il nostro?

Completamente gratuito — nessun costo nascosto, mai
Nessun account, email o accesso richiesto
I file non lasciano mai il tuo dispositivo
Assolutamente nessun limite di dimensione file
Nessuna filigrana su nessun output

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