Nullsoft Winamp Pro is a fast, flexible, high-fidelity media player for Windows. Winamp supports playback of many audio (MP3, OGG, AAC, WAV, MOD, XM, S3M, IT, MIDI, etc) and video types (AVI, ASF, MPEG, NSV), custom appearances called skins (supporting both classic Winamp 1.x/2.x skins and Winamp 3 freeform skins), audio visualization and audio effect plug-ins (including two industry dominating visualization plug-ins), an advanced media library, Internet radio and TV support, CD ripping, and CD burning.

Winamp Pro 5 Features:
- New!Android Wi-Fi support
- New! Direct mouse wheel support
- New! Option to write ratings to tags (for mp3, wma/wmv, ogg & flac)
- New! Native video support including the most popular file formats for H.264 encoded video
- New! Windows 7 Compliant including new Win7 preview capabilities with the new Aero Interface.
- New! Buy tickets, find lyrics, & download music directly from your media player
- New! Winamp OrglerTM lets you track, chart and share your Winamp listening history
- New! Find & manage Add-ons directly in your media player
- New! Winamp detection browser plugins for IE & Firefox
- New! MPEG-4 video support for in_mp4 & in_flv
- New! Improved iPod Sync Support
- New! iTunes Library Import
- New! Online Services Gallery
- OurStage Radio Online Services
- Spinner MP3 of the Day Online Service
- Now Playing: Discover Artist Songs, Videos, Radio and Photos
- AOL Radio Powered by CBS Radio
- Expanded Flash video support
- Media Monitor: Playing music on the web just got even better
- Language packs available in Chinese, Japanese and Korean
- Updated Winamp toolbar – control Winamp from your browser
- A Redesigned Unified Interface, including Album Art
- Remote Music and Video Playback and Sharing
- Dynamic Song Recommendations Playlist Feature
- Multi-channel MP3 Surround Support
- Mass Auto-Tagger Provides Latest Music Metadata
- Integrated Web Search for Artist and Track Information
- Album Art Support for Portable Devices
- Updated Podcast Directory and Download Manager
- Fully Integrated Web browser and customizable links
- New Visualizer Plug-in – Milkdrop 2
- Pro! Rips CDs to MP3
- Pro! Rips CDs to aacPlus, AAC, WMA Unlimited!
- Pro! Rip to HE-AAC Over 128k!
- Pro! Burn CDs Up to 48x!
- Portable Device Sync support
- Expanded Podcast Directory
- Smart views with new pre-sets for dynamic playlists
- Plays an insane amount of audio and video types: see them all! Compatible with Winamp 2 Plug-ins
- Full Support for Classic Skins
- Full Support for Modern Skins
- Access over 18,000 SHOUTcast Radio Stations
- Enjoy thousands of free songs and videos
- Playback the AOL Video catalogue of video content
- Listen to AOL Radio stations
- Download thousands of Skins and Plug-ins
- 50 Free MP3 Downloads compliments of eMusic
- Listen to Free MP3 of ‘Charlotte’ by Booka Shade

Winamp Main Window
- Winamp 5 features our new Modern Skin that’s easier to use and more powerful than ever
- Easily access the Media Library (ML), Playlist Editor (PL), integrated Video or Visualizations (Video/Vis Drawer), or the EQ, Skin Options, and Color Themes (Config Drawer) from the Main Window
- Includes over 50 color themes that suit nearly every mood or occasion!
- Winamp 5 carries forward the unobtrusive “Window Shade”

Winamp Playlist Editor
- Drag and drop media directly into a Playlist from Windows Explorer or the Media Library
- Jump directly to an item within the list by double clicking it or selecting the item and press Enter
- Sort Playlists by title, file name, or path and file name
- Easily Open and Save Playlists from the Manage Playlist button

Winamp Library
- Organize and find your favorite songs and videos in ONE place
- Rip your favorite music CDs into AAC or MP3 (Ripping limited to 2x speeds for free users. MP3 encoding is only available in Winamp Pro)
- Burn your favorite music compilations to CD (limited to 2x for free users)
- Media Library “Views” allow you to easily create rule based lists of your media
- Easily modify your music collections tags (Artist, Album, Song name, etc.)
- Internet Radio and TV
* Easily tune into user created Internet TV and Radio stations
* Over 4000 Internet Radio stations and 40 Internet TV channels to choose from
* Bookmark your favorite stations and channels for future access
- Winamp Now Playing
* View album art, artist biographies, discographies
* Keep track of your favorite artists by browsing fan sites and news articles presented in the client
* Easily buy your favorite CDs, memorabilia, or just sell your own

Winamp Video
- Play many major video formats (NSV, WMV, MPG, etc.) with ease
- Easily resize video playback using the 1x, 2x, and Maximize window buttons
- Watch your favorite videos in Full Screen mode
- Quick access to dozens of Internet TV stations created by users
- Detach the video window from the main player

Winamp Visualizations
- Winamp 5 comes bundled with the latest version of the ground breaking AVS (Advanced Visualization Studio) and Milkdrop visualizers
- Enjoy over 100 bundled visualization presets created by users
- Switch between presets manually or sit back and watch your presets on Random
- Easily jump to Full Screen mode
- Download new visualizations and presets from Winamp.com

Winamp Equalizer
- Shift the sound from both speakers to left or right using the Balance slider
- Enable Cross Fading to transition the audio smoothly from one song to another
- Select from the dozens of EQ presets to tune the sound
- Create your own EQ settings and save them for future use