Protect PDF

Encrypt your PDF with strong AES encryption and password protection.

or choose from your computer or mobile device

Max file size: 50 MB • Supported: PDF

More tools from PDF Security

Remove password security and owner restrictions to read, copy, and print your PDF.

Draw, type, or upload your signature and place it accurately onto contracts and forms.

Permanently black out and redact private text, Aadhaar/PAN numbers, and sensitive data.

Compare two PDF documents side-by-side to highlight additions, removals, and changes.