Protect PDF
Add a password to a PDF to prevent unauthorized opening or editing. The safest way to process sensitive data with zero-upload
Your files never leave your device. Processed locally. 100% private.
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How To Use Protect PDF
Complete your task perfectly in just three straightforward steps.
Upload PDF
Drop your PDF file.
Set password and permissions
Enter an open password and optionally restrict printing, copying, and editing.
Download
Download the password-protected PDF.
FAQ
Everything you need to know about the Protect PDF.
What encryption is applied?
128-bit AES encryption — the current PDF standard.
Is the password stored anywhere?
No. Encryption happens locally in your browser — the password is never sent anywhere.
Can I set different open and permissions passwords?
Yes — set an open password for readers and an owner password to control permissions.
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