deck://desktop
DeckCP, in its own window.
Switch to it with ⌘-Tab, like any other app on your Mac. Open two decks in two windows and drag a slide straight out of one and into the other.
Version 0.3.2 — October 1, 2026
Signed and notarized by Apple, so it opens like anything else you install. The first time you launch it macOS asks once whether you’re sure — click Open.
It updates itself from then on, so this is the last time you need this page.
Download for Mac (Apple silicon)
Intel Mac? Download the Intel build
Works on Apple Silicon and Intel Macs. Not sure which you have? Apple menu → About This Mac.
Windows: coming.