Protect PDF free
Add a password with strong AES-256 encryption and control printing, copying and editing.
๐ Your files are processed in your browser and never uploaded to our servers, so there is nothing for us to store or delete (no server copy, retention time: none).
How to use Protect PDF
- Choose a PDF.
- Type and confirm a password, and set permissions.
- Click Protect PDF and download the encrypted file.
Need it signed? Send for e-signature free
Turn any PDF into a legally binding e-signature request with consent, signing order and an audit trail. Free plan, no credit card.
Send for e-signature free Free templatesFrequently asked questions
How strong is the encryption?
AES-256, the strongest standard PDF encryption, supported by Adobe Acrobat, Chrome, Edge, macOS Preview and most modern readers.
Can you recover a forgotten password?
No. We never see your password or file, so keep it somewhere safe.
Are my files uploaded?
No. Encryption happens in your browser.
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