Extra Keyframes is a free Blender addon

Extra Keyframes is a free Blender addon that lets you copy and offset keyframes across multiple objects — a super useful feature Blender still doesn’t handle properly by default. Instead of manually duplicating animations and fixing timing one object at a time,

you can batch-copy and shift keyframes while keeping everything in sync. It’s perfect for motion graphics, mechanical rigs, and complex setups where staggered animation matters. How it works download file