Search box in the collection

What is the feature or ability you would like to have?

Search box in the collection to search for duplicates, filter by a certain keyword.

How will this feature help you and others?

Find duplicates, filter by a certain word, group treatment.

Is this feature available in an existing product? If so, what product?
Yes. MediaMonkey:

Does a workaround currently exist?
Please explain how you currently deal with the problem.

You can already search in this way in the column headers, there is also the duplicate file finder tool

Ok. Than you very much.