Protect PDF
Encrypt a PDF with a password before sharing it.
No files selected
Accepted files: .pdf. Choose one file. Up to 20 MiB in total.
Processed by the local, self-hosted engine. No third-party conversion service is used. AES-256 encryption. Store your password safely; it cannot be recovered here. Up to 1,000,000 characters. Review the settings before running.
Your result
How to use Protect PDF
- Choose a file in PDF.
- Review the settings, then choose Run Protect PDF.
- Review the result, then use Copy result or a download link when available.
Useful next steps
What to expect
Encrypt a PDF with a password before sharing it. Processed by the local, self-hosted engine. No third-party conversion service is used. AES-256 encryption. Store your password safely; it cannot be recovered here.