Protect PDF
Encrypt a PDF with a password using strong AES-256 protection.
Drag & drop a file here
Accepted: .pdf · Max 10 MB total
How to use Protect PDF
- Upload your document using the uploader above.
- Review the selected files and arrange their order or processing options.
- Click Protect PDF and download your result when processing finishes.
Why use Protect PDF on PDF Formatter
Protect PDF is part of the PDF Security toolkit. Available browser-based tools process files locally in your browser. Keep your original files until you have checked the output.
Protect PDF FAQ
Is Protect PDF free?
This tool is currently available through the PDF processing application.
What files does Protect PDF accept?
The processing application currently applies a 10 MB combined input limit and a 50-page limit for supported PDF workflows.