Protect PDF

Encrypt your PDF with strong user passwords and restrict unauthorized access.

100% Client-Side: Zero server uploads, processed privately in your browser.

Choose a PDF document from your device to encrypt with AES-256 security

Choose File

PDF documents up to 250 MB•100% Client-Side Safe

Remove password restrictions from protected PDFs when authorized.

Draw or type your signature and place it securely on contracts and agreements.

Draw opaque blackout vector rectangles over sensitive text and headers (Visual Blackout).