Davinci Resolve ◆

: In the Fusion page, add a Rectangle (Mask) node and connect it to a Background node.

: Search for Paper Edge in the Open FX library and drag it onto your Fusion clip. DaVinci Resolve

: Adjust the Roughness , Edge Intensity , and Border Width in the Inspector to create a jagged, realistic border. : In the Fusion page, add a Rectangle

To make the paper look hand-torn or antique, use the built-in "Paper Edge" filter. : In the Fusion page