The Blackmagic Ultimatte 12 HD Mini is a compact real‑time keyer that brings the full power of the Ultimatte 12 compositing engine to HDMI‑based production workflows. Designed for use with consumer and compact professional cameras, it features advanced color science, new generation algorithms and precision edge handling to create photorealistic composites even in challenging lighting conditions. Its HDMI I/O makes it ideal for Blackmagic Studio Cameras, Pocket Cinema Cameras and ATEM Mini switchers, allowing creators to integrate broadcast‑quality keying into affordable live production setups. The built‑in 6 GB frame store enables realistic fixed‑camera virtual sets using pre‑rendered still backgrounds without requiring additional hardware. The unit includes a front‑panel color display for preview, status and menu navigation, while network and USB‑C connectivity support control via Ultimatte Software Control or Ultimatte Smart Remote 4. With powerful spill suppression, accurate color separation and support for HD formats up to 1080p60, Ultimatte 12 HD Mini delivers professional‑level keying and virtual set capability in a compact interface suited for streaming, broadcast, education and corporate production environments.