rotate a video 90 degrees with VLC media player
Open your video file by going to Media > Open File… and browsing for your file. Or, by just dragging and dropping your video onto the VLC player.
Choose Tools from the Menu bar and select Effects and Filters.
On the Video Effects tab, tick the Transform checkbox and choose your degrees of rotation. The video is rotated counter-clockwise, so to rotate clockwise 90 degrees you’ll want to choose Rotate by 270 degrees.
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