Easily convert from one collection type to another using this handy tool.
To convert a collection go to the collection list in Power Tools and then click on the collection type, on the left.
Converting to a Custom collection
This is the easiest conversion, all products will be copied to the new collection. You can then make any changes to the product list using the normal product selector.
Converting to a Smart collection
This will copy all the sort orders and collection details, however you will need to fill in the rules for the collection after it is created.
Converting to a Smarter collection
Similar to the smart collection you will need to fill in the rules after it has been created.