# VJam

> Browser-based real-time video instrument by Hiroki Takamura.

VJam is a browser-based tool for live video performance, built by Hiroki Takamura
for his own installation art and video work. It runs entirely in the browser — on
phones, tablets, and desktops. No install. Free to use.

## Status

- 2026-04 以降、販売を停止し作品制作のためのツールとして公開
- ライセンス / トライアル / 課金の仕組みは UI から撤去 (内部 infrastructure は残置)
- 作品ページは https://infohiroki.com/products#vjam に移動

## Key Facts

- 1,300+ beat-reactive visual presets
- ~945 MilkDrop classics via Butterchurn (WebGL2 reimplementation)
- ~378 custom GPU shaders built with p5.js and GLSL
- Real-time beat detection via Web Audio API
- Touch-first UI + MIDI controller support (Numark DJ2GO2 Touch profile included)
- 4-point projection mapping
- HDMI output to any projector
- Works offline as PWA
- Free, no account, no payment

## Who is VJam for

- Hiroki Takamura's own installation art / video work (primary use case)
- Anyone curious about MilkDrop / browser-based live visuals
- VJ practitioners looking for a free phone-friendly tool

## Links

- App: https://vjam.vercel.app
- Work page (artist site): https://infohiroki.com/products#vjam
- Privacy: https://vjam.vercel.app/privacy.html
- Terms: https://vjam.vercel.app/terms.html
- Contact: vjam.contact@gmail.com