Enhance your YouTube watching experience! Cinema Mode, Mouse Wheel Volume Control, AutoHD, Expand, Snapshots … Magic Actions for YouTube™ is a lightweight and useful extension designed for a more comfortable watching experience. Magic Actions is very easy to use! Magic Actions for YouTube™ - Key Features: ✔ AutoHD feature - start play all YouTube™ videos in HD. + Ultra HD 4k > HD1440p > HD1080p >