Lock PDF
Password protect your PDF file. Add encryption to prevent unauthorized access to your sensitive documents.
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Max 100 MB
Frequently Asked Questions
What encryption is used?
PDFs are encrypted using AES-256 encryption, the industry standard for PDF security.
Can I set different user and owner passwords?
Currently the same password is used for both. Advanced options are coming soon.
What is the minimum password length?
Passwords must be at least 4 characters long.