Protect / Encrypt PDF
Secure confidential documents with a user password using client-side encryption. Nobody without the password will be able to open it.
Select PDF to Secure
Lock PDF with client-side encryption.
How It Works
Upload PDF
Select the document you wish to safeguard.
Enter Password
Provide a secure access password.
Download Encrypted PDF
Save your password-protected PDF.
Guaranteed Privacy
Unlike cloud converters, zero bytes of your document or image are sent over the network.
Instant Speed
No upload queue, no download wait times. Processing is powered by your own CPU & GPU.
No Arbitrary Limits
No 50MB file size ceiling or hourly usage caps. Handle heavy files right on your hardware.
Frequently Asked Questions
Can you recover my password if I forget it?
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