Encrypt PDF with Password
Secure your PDF with industry-standard AES-256 encryption. Set passwords for opening and control permissions for printing, copying, and editing. All encryption runs locally.
Drop a PDF to encrypt
or click to browse · Max 100.0 MB
Frequently Asked Questions
What encryption standard is used?+
We use AES-256, the same encryption standard used by banks and governments. This is the strongest encryption available for PDF files.
Can I set different passwords for opening and editing?+
Yes. You can set an owner password (controls editing/printing permissions) and optionally a user password (required to open the file). This gives you fine-grained access control.
Is my password sent to a server?+
No. Encryption happens entirely in your browser. Your password and PDF are never transmitted anywhere — they stay on your device.
How it works
1
Upload your PDF
Drop the PDF you want to encrypt. It stays in your browser — never uploaded.
2
Set encryption password
Choose a strong password. AES-256 encryption is applied to the entire document.
3
Download encrypted PDF
Save the password-protected file. Only someone with the password can open it.