Protect PDF

Protect your PDF files with password encryption. Set user and owner passwords, and control document permissions.

Drag & drop your PDF files here

or

Select a PDF file. Maximum 100 MB.

How to Protect PDF

1. Select a PDF file to protect

2. Set user password (required to open PDF)

3. Optionally set owner password (for full control)

4. Configure permissions (printing, modifying, copying, annotating)

5. Click "Protect PDF" to encrypt

6. Download your protected PDF

Note: All processing happens in your browser and your files will never leave your device so your files will be fully secure. Remember to save your password securely - you'll need it to open the protected PDF.