Password Protect PDF
Add a strong password to your PDF files directly in your browser for total privacy.
Upload PDF
Upload a PDF file to add password protection
Engineering Protocol
Upload your PDF and enter a password. Our local engine encrypts the file right in your browser. Your password and file are never sent to any server.
Sovereign Privacy
No cloud uploads. Documents are processed purely in-memory within your local environment.
Universal Logic
High-performance architecture optimized for cross-platform desktop and mobile precision.
Infinite Access
Enterprise-grade tools with zero friction, zero sign-ups, and uncapped volume thresholds.