Password protect a PDF

Add a password to a PDF so it can only be opened with that password. Also choose whether printing or copying is restricted. Everything local, no upload.

Choose your PDF

Drop here or click to choose

Files stay on your device — nothing is uploaded

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Your file is processed in your browser and never uploaded.

How does it work?

1
Choose your PDF
Drag the PDF here.
2
Choose a password
Enter a password and confirm it.
3
Choose restrictions (optional)
Restrict printing or copying of text.
4
Protect & download
Download the protected PDF immediately.

Frequently asked questions

Is the protection secure?

Yes, the PDF is encrypted with AES-128. This is the standard PDF encryption supported by all major PDF readers.

What if I forget the password?

There is no way to recover a password. Keep it safe.

Can I remove the protection later?

Yes, use the "Unlock PDF" tool with the correct password.

Are my files uploaded?

No. Everything happens in your own browser. Your file never leaves your device and is not stored anywhere.

Is it free?

Yes, completely free and without watermark, ads or account.