The .KFN format is used by KaraFun software for storing MP3 or MIDI karaoke files. .KFN files can contain a large amount of information: up to 3 MP3 audio tracks, MID or KAR files, images (JPG, PNG or BMP format), lyrics, visual effects... This format is continuously evolving and new features are being added. A .KFN file can be opened with KaraFun karaoke player software, which can be downloaded for free.
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