Foobar2000

Also known as foobar, f2k, foobar2k, fb2k, foobar 2000, fb2kPortable, fb2k Portable

foobar2000 (often abbreviated as fb2k or f2k) is a freeware audio player for Microsoft Windows, iOS, Android, macOS, and formerly Windows Phone, developed by Peter Pawłowski. It has a modular design, which provides user flexibility in configuration and customization. Standard "skin" elements can be individually augmented or replaced with different dials, buttons, and visualizers. foobar2000 offers third-party user interface modifications through a software development kit (SDK).