Nullsoft Winamp is a fast, flexible, high-fidelity music and video player for Windows. Winamp supports MP3, CD, WAV and other audio formats, custom appearances called skins, plus audio visualization and audio effect plug-ins. additional features including free-form skins, a new decoder, built-in cross fade, and an advanced Media Library
# MIDI, MOD, MP1, MP2, MP3, AAC, M4A, Ogg Vorbis, FLAC, WAV, WMA, Chiptunes and many other audio formats supported.
# AVI support, which is played through the appropriate DirectShow filters installed on the user's system; MPEG; and NSV (Nullsoft Streaming Video).
# Plug-in support for additional input and output formats, sound effects (via DSP plugins), and visual effects (notably Advanced Visualization Studio, or AVS, and MilkDrop).
# Support for ripping data from audio CDs, optionally with CD-Text, into MP3 or AAC formats, a feature enhanced in Winamp Pro.