Most "keygen" or "crack" files are wrappers for trojans that can steal your banking info.
Do you need to (cut/trim) or just change the file type?
Cracked versions cannot be updated, leaving you with bugs and incompatible codecs for newer audio formats.
Are you looking to hundreds of files or just one?
I can point you toward the for your specific task.
Most people already have it. Use the "Convert/Save" feature to change formats instantly. рџ›ЎпёЏ Stay Safe Online