AudioMass

Library of 100,000+ MIDI files playable directly in your browser. Discover classic video game music, classical pieces, and pop songs rendered as MIDI. Completely free.

Lofi music streams with customizable animated environments. Study/work music with atmospheric visuals — rain, cafe, forest. Pure browser experience, no app download needed.

Living sheet music synced to audio and video. Slow down recordings, loop sections, and follow along with interactive notation. Used by musicians to learn songs by ear.

A browser-based synthesizer inspired by the Casio PT-1. Retro keyboard sounds, waveform visualization, playable with your keyboard or mouse. Fun for quick musical sketches.

Online music studio with synthesizer, effects, and recorder. Play a virtual keyboard, apply reverb/distortion/delay, and record your sessions. All in the browser.

An audiovisual pinboard — create a personal moodboard of music, sounds, and images. Drag and drop media into an infinite canvas. A unique creative tool for mood and music discovery.