Protect PDF
Add password encryption to your PDF files. Control who can open, print, and copy.
Processed in your browser — files never uploaded
Drag & drop your PDF here
or browse files
Max 100MB per file
How to Password Protect PDF Files Online
Add password encryption to your PDF files so only authorized people can open them. Set permissions to control printing, copying, and editing. Everything runs in your browser — your files are never uploaded.
- 1
Upload your PDF
Click the upload area or drag and drop a PDF file.
- 2
Set a password
Enter and confirm a strong password. Optionally configure permissions for printing, copying, and editing.
- 3
Protect and download
Click Protect PDF to encrypt the file. Download the password-protected version.
Pro Tips
- •Use a strong password with 12+ characters mixing letters, numbers, and symbols.
- •Share the password via a separate channel (e.g., text message) — never in the same email as the PDF.
- •Keep your original unprotected copy in case you forget the password.