Security PDF tool

Protect PDF

Encrypt a PDF with a password. Upload files, configure settings, process securely, and download the result.

1-1 files PDF 50 MB max
1 Upload 2 Preview 3 Configure 4 Process 5 Download

Step 1

Choose files for Protect PDF

Upload 1 file. Allowed types: PDF. Maximum 50 MB per file.

No files selected yet Uploaded files will appear here with previews, size, order, and remove controls.

Browser workflow

Protect PDF with password

Upload a PDF, enter a password, and PdfNexa will render an encrypted copy in your browser.

0Files
0Pages
0 MBInput size

Step 2

Configure