Protect PDF - Password & Permissions 100% Local

ZeroPDF

100% Local Processing

SECURE PDFS

100% Local Processing

Protect PDF - 100% Local

Protect and encrypt PDF files locally in your browser with private on-device processing and no server uploads.

Drop a PDF here or click to browse

ZeroPDF protects the document locally, so the document contents stay on your device throughout the workflow.

Everything runs locally in your browser. No uploads, no server rendering, no shared processing.

Browse files

ZeroPDF protects the document locally, so the document contents stay on your device throughout the workflow.