MuhammadLab

Protect PDF

Add real password encryption to PDF files directly in your browser.

AES-256Local processingPermission flags
What this does: The output PDF is encrypted and should ask for the open password in PDF readers. Keep the password safe because lost PDF passwords may not be recoverable.

Upload your PDF file

Drag and drop, or click to browse. PDF only.

Processed Locally

Your file never leaves your device. Everything is processed in your browser — we never see or store your data.

Frequently Asked Questions