White.mp4 -

Editors use it in software like DaVinci Resolve or Shotcut as a "matte" to create custom transitions or reveal effects. 🛠️ Common Uses

Since MP4 files don't natively support transparency well, creators use a white.mp4 file as an "alpha mask." The white areas tell the software where to show the video, and black areas tell it where to hide it. white.mp4

it into a website or app code (like React or HTML5) What settings are needed to remove black screen from video? Editors use it in software like DaVinci Resolve