Protect PDF

Add password protection to your PDF documents.

Drag & drop PDF files here Release to upload

or click to browse your files

Single file Up to 100 MB PDF

Strong encryption

Your PDF will be encrypted with 256-bit AES encryption. The password will be required to open the file.

Set Password

This password will be required to open the PDF.

Select files to continue

Progress

100% Private & Secure

Your files are processed locally. They never leave your server and are deleted immediately after processing.

More Forms & Security Tools

Password-Protect Your PDF

Add password protection to your PDF documents to control who can open them. Set a strong password that will be required to view the PDF. Perfect for securing confidential business documents, contracts, and personal information before sharing via email or cloud storage.

Frequently Asked Questions

How strong is the encryption?

We use AES-128 encryption, which is the industry standard for PDF protection and provides strong security for your documents.

Can I remove the password later?

Yes, use our Unlock PDF tool with the correct password to remove protection from your PDF.