Smooth Swapping

Smooth Swapping is a client side mod that animates item movement inside of inventories.

Smooth Item animation inside an inventory

Toggle button to activate and deactivate the mod
Slider to adjust the animation speed
Graph to change the animation curve
Right click with your mouse on an empty space to create a new curve point
Left click and drag a point to move it. The first and last point can't be moved though
Right click on a point to delete it
Small inventory to test your animation