This is a paid asset, but now you can download SmartCopier for FREE, Please keep in mind this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
For more detail this asset from the Unity Asset Store: Click Here
SmartCopier v2.2.0
“If possible, please buy the package to support the developer”
SmartCopier lets you easily copy any amount of Components of a GameObject to others with ease. It even allows you to select which properties of the Components you wish to copy. This will help you speed up your workflow significantly.
✔ Copy any number of Components instantly
✔ Select which properties of each Component you wish to copy
✔ Paste the Components to all selected GameObjects
✔ Specify custom types and attributes for Components or properties to ignore by default
✔ Full source provided, features fully accessible through code-first API