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Protect PDF online

Lock a PDF with a password so only people you trust can open it, and choose whether they may print, copy or edit.

Files are processed in your browser and never uploaded.

How to use Protect PDF

1

Upload the PDF.

2

Set a password and permissions.

3

Download the encrypted PDF.

Questions about Protect PDF

Quick answers about privacy, limits and results. Need more help? Contact us.

How strong is the encryption?

Files are encrypted with AES, the standard used by modern PDF readers.

What if I forget the password?

We never see or store it, so it cannot be recovered. Keep it somewhere safe.

Are my files uploaded to your server?

No. This tool runs entirely in your browser, so your files never leave your device.

Is it free?

Yes. Every browser tool is free to use without sign-up or watermarks.

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