Encrypt PDF
NewApply military-grade 256-bit AES encryption to your PDF files. Set both a user password (required to open the document) and an owner password (required to print, copy, or modify). Choose specific permission levels to control exactly what recipients can do with the document. All encryption happens locally in your browser — your document and password never touch a server.
Encrypt PDF
Protect your PDF with 256-bit AES encryption.
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How to Use Encrypt PDF
- 1Upload your PDF file
- 2Set a user password (required to open)
- 3Optionally set an owner password for permissions
- 4Select permission levels (print, copy, modify)
- 5Click "Encrypt PDF"
- 6Download the encrypted PDF
About Encrypt PDF
Apply military-grade 256-bit AES encryption to your PDF files. Set both a user password (required to open the document) and an owner password (required to print, copy, or modify). Choose specific permission levels to control exactly what recipients can do with the document. All encryption happens locally in your browser — your document and password never touch a server.
Your Privacy is Protected
Encrypt PDF runs entirely in your browser. Your files and data are never uploaded to any server, never stored, and never shared. Everything happens locally on your device using secure browser APIs.
Frequently Asked Questions
What encryption standard is used?
256-bit AES encryption — the same standard used by banks and governments worldwide.
What permissions can I restrict?
You can restrict printing, copying text, editing, adding annotations, and filling forms.
Can the password be recovered if lost?
No. Strong AES encryption means a lost password cannot be recovered. Store your password securely.
Why Use This Tool?
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