This slick tool helps retarget “cinematic 16:9, square 1:1, or vertical 9:16, without losing track of your subject.” PetaPixel writes,

If you’re working with a timeline that includes multiple clips, there’s also an “Auto Reframe Sequence” option that allows you to select the aspect ratio you want and apply it to every clip in your timeline at once. Best of all, the effect isn’t only applied to the video footage, titles and motion graphics are also resized to fit the new aspect ratio.

Check it out:

[YouTube]