Use the interactive zoom feature named ‘Zoom’.
Method 1: Zoom VLC Video Using Interactive Zoom steps: In Mac OS X, use CMD + – (minus) keys to zoom out.Click on magnifying glass icon ( `+`) or reduce size icon ( `-`) to zoom in/out.Hover the mouse over the video viewer section of the VLC main window.Press CTRL + 0 (zero) to reset the Video.
There are three methods to zoom videos in VLC Media Player: the interactive zoom method, the video menu method, and the magnifier method. How to Zoom Videos in VLC Media Player 3 Methods: