A music visualizer that looks like a modern game engine built it.IKANDY is a real-time music visualizer for Windows. Play anything — Spotify, a browser tab, a game, a DJ set — and it turns the audio into live, high-definition motion. No setup, no presets to hunt down, no manual. Open it and it works.MilkDrop, properly, on modern WindowsIf you spent the 2000s watching MilkDrop in Winamp, it's all here: full support for the classic MilkDrop and Butterchurn preset library, running inside a modern HDR rendering engine instead of a 20-year-old one. The presets you remember, at 4K, on a GPU that can actually drive them.Three kinds of visualsMilkDrop: the legendary preset library that defined music visualizationShaders: GPU-driven scenes with deep, fluid, reactive detailScenes: handcrafted 3D worlds, from fluid simulations to glassy geometryThe controls map consistently across all three, so once you learn one you know them all.What people use it forThe second monitor: something worth looking at while you workStreaming: Spout output straight into OBS as a live video source (IKANDY Pro)Live wallpaper: full-screen on a spare display, reacting all day (IKANDY Pro)Parties and VJ sets: multi-monitor span and a hideable UI (IKANDY Studio)Just listening: put a record on and watch itMade to reactReal-time audio analysis across five independent signalsSmart audio capture: Spotify, your browser, a game, or any running appLive album art and track-aware visualsTweakable brightness, contrast, color, and reactivity on every scene (IKANDY Pro)Built like a game, not a gadgetIKANDY renders every frame live the way a modern game does: real 3D worlds, physics, particle systems, and a full HDR post pipeline. Quality tiers keep it smooth on modest machines, and it scales all the way up to 4K on a high-end GPU. If your PC runs modern games, IKANDY will feel at home.Free, with one-time upgradesThe base app is free and always will be. IKANDY Pro and IKANDY Studio are one-time purchases: no subscription, yours forever.A note on flashing visualsIKANDY contains flashing lights and moving patterns. Built-in photosensitive safety limits, informed by WCAG and broadcast guidance, cap flash rates and pattern intensity across every scene. If you are sensitive to flashing lights, please use caution.