Post Green

Turn any screen into an instant chroma-key & tracking reference — no gear, no setup. Built for film sets.

Post Green turns any iPhone, iPad, or Mac into an instant on-camera reference for chroma-key and motion-tracking shots — no green screen fabric, no printed markers, just your device on set. FEATURES • Solid-color backdrop in any color, not just green • Configurable tracking marker grid (rows, columns, size, color, shape, offsets) • Five save slots to instantly recall your favorite setups • Full Screen or Window mode on Mac, with a custom window title • Clean, distraction-free interface built for fast setup between takes Whether you're calibrating a tracking rig, framing a quick pickup shot, or need a reliable color reference on the fly, Post Green is ready in one tap. Post Green works fully before and after purchase — the one-time Full Version unlock simply supports ongoing development. No subscriptions, no ads, no accounts, no data collection.