Component Utilities 
A Figma plugin to create and copy components, and replace layers with components
clone component components copy duplicate instance layers master replace reset size
Commands
Create Component from Layer
Creates a Main Component from the selected layer. The selected layer then becomes an Instance of the new Main Component.
Copy Component
Creates a copy of the selected Main Component.
Convert Component to Frame
Convert the selected Main Component or Instance to a Frame.
Replace with Component
Opens a modal with a list of components in the document. Choose a component in the list to replace the selected layers.
Reset Instance Size
Sets the size of the selected Instances to the size of their respective Main Components.