FlipKeys

This script allows you to invert the animation key values for selected attributes in Maya.
It works with both the selections in the Channel Box and the Graph Editor.
This means that you can select the attributes you want to invert directly in the Channel Box, or work with the selected keys in the Graph Editor.
In addition, the script supports multiple objects selected simultaneously, allowing you to apply the inversion to several elements in your scene at the same time.

Main Features

• Compatibility with Channel Box and Graph Editor:
• Channel Box: If you select attributes in the Channel Box, the script will invert the keys of those attributes.
• Graph Editor: If no attributes are selected in the Channel Box, the script will search for selected keys in the Graph Editor and perform the corresponding inversion.
• Multiple Objects Handling: You can select several objects and apply the inversion to the selected attributes in all of them at the same time.