ZEN PDF – Offline PDF split and merge tool for Windows

Summary: ZEN PDF is a Windows application for splitting and merging PDFs entirely offline. It processes files locally without uploading or sharing, ensuring privacy. The interface uses visual page cards with thumbnails for drag-and-drop reordering and multi-page selection.

What it does

ZEN PDF splits and merges PDF files on your computer without internet access. Users reorder pages visually via drag-and-drop and select multiple pages using Ctrl or Shift keys.

Who it's for

It is designed for Windows users needing offline PDF editing without cloud uploads or accounts.

Why it matters

It prevents confidential files from being uploaded by performing all PDF processing locally.