This add-on lets you turn keyframes into bounce shape.

How to use

• Go to Graph Editor.
• Select two keyframes that you want to turn into bounce shape.
• Press "Bounce" button in header.
• Adjust parameters.

Parameters

• Bounce Count
• Height: Value of the highest part of the bounce
• Height Falloff: 0 = No falloff. 1 = Top of last bounce will be same as last keyframe value you have selected.
• Timing Falloff: 0 = Almost even. As the value increases, they will move backward.
• Flight Time Ratio: As the value increases, the curve at the top of the bounce becomes smooth.
• Starts With Rise
• Snap to Nearest Frame

installation

• download zip file.
• Go to Blender’s user preference, open the Add-ons tab
  

• click Install and select the zip file.

• Check the box next to its name to enable it.