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Learn about video overlays

Concepts and best practices for motion overlays, alpha video, and creator workflows.

WebM vs MOV for Transparent Overlays
Compare WebM and MOV with alpha channel for video overlays. Which format to export from Videohead for CapCut, Premiere, DaVinci Resolve, and OBS.
Green Screen vs Alpha Channel for Overlays
Compare chroma key and native alpha for video overlays. When green screen still makes sense, when alpha wins, and how to composite in CapCut, Premiere, and OBS.
What Is an Alpha Channel in Video?
Learn what alpha channel transparency means for video overlays, how it differs from green screen keying, and why it matters for Premiere, CapCut, and OBS.