Protect PDF
Add password protection and encryption to your PDF files.
Drop your PDF here
or
Maximum file size: 100MB
How to Protect PDF
Upload the PDF file you want to protect with a password.
Enter a strong password that will be required to open the document.
Optionally set permissions like preventing printing or copying.
Click "Protect PDF" and download your encrypted, password-protected file.
About Protect PDF
Protecting sensitive PDF documents with a password prevents unauthorized access and helps you comply with data protection requirements. Our PDF protection tool adds industry-standard AES-256 encryption to your files, all within your browser. Your password and files never touch our servers.
Frequently Asked Questions
We use AES-256 encryption, which is the same standard used by banks and government agencies. It is virtually impossible to crack with current technology.
Yes, you can set permissions that restrict printing, copying text, editing, and other actions. These restrictions require a separate permissions password.
Since we never see or store your password (all processing is local), there is no way to recover a forgotten password. Be sure to keep it in a safe place.
Yes, you can set an open password (required to view the file) and a separate permissions password (required to change security settings).
Encrypted PDFs may be slightly larger due to the encryption overhead, but the increase is typically minimal and negligible.
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