Easily swap vertex positions between the 0 and 1 values of the active shape key with a single click. This tool adds a convenient button to the Shape Keys menu, streamlining the process of vertex position swapping in Blender. For example, this extension can be used to quickly reverse the outfit shape key for VRChat avatars.
Removed the "User Interface" from tags as per request by nickberckley.
This extension does not require special permissions.