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🔒 Your files never leave your device

Redact PDF (Mask Info)

Permanently hide sensitive data — the text underneath is truly removed.

Open the tool →
FreeNo watermarkOffline
Why is it safe? Many sites upload your file to their servers. Not here: everything happens in your own browser. Your file is never sent to the internet and stored nowhere — because it is never received. It even works offline.

How it works (3 steps)

  1. Upload your PDF or photo.
  2. Draw a box over each area you want to hide (auto-detect finds IDs/IBANs).
  3. Tap “Download masked PDF” — boxes are permanent, image-based output.

Tips

FAQ

Is the hidden text really gone?

Yes — the output is image-based and the text underneath is removed.

Can it find sensitive data automatically?

Yes, OCR auto-detects IDs, IBANs and tax numbers.

Are my files uploaded anywhere?

No. Everything runs in your browser; your files never leave your device.

Is it free?

Yes, completely free and unlimited. No watermark is added to the output.

Does it work on a phone?

Yes, it works in Android and iPhone browsers, and can be added to the home screen as an app.

Redact PDF (Mask Info) →

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