PDF Password
Processed in your browser with AES-GCM encryption. Decrypt later with PDF unlock.
No watermarkFree & unlimited
All processing happens in your browser. No data is sent to any server.
About this tool
- 1
Upload your PDF
Select the PDF you want to protect.
- 2
Set password
Enter a strong password.
- 3
Encrypt
The PDF is encrypted with AES-256.
- 4
Download
Save the password-protected PDF.
- Use a strong, unique password - at least 12 characters with mixed types.
- Share the password separately from the PDF (not in the same email).
- Keep a record of your password - there's no recovery option.
- AES-256 encryption
- Custom password
- Open password
- Permissions control
- Protect sensitive financial or legal documents.
- Secure confidential reports before sharing.
- Add password protection before cloud storage.