midi.city is a free online synthesizer, built by Jack.
midi.city has over 128 different instruments including: Pianos, Saxophones, Drums, Trumpets, Synth Pads, Guitar, Violins and all other instruments defined in the General Midi specification.
Community
If you'd like to request a feature, report a bug, or chat with other users, you can visit our community message board.
Credits
midi.city has been created with the help of hundreds of different open-source projects and with contributions from many others.
Tone.js by Yotam Mann: the Web Audio API-based sound engine that implements a majority of nodes used in the audio graph. It powers many of the advanced features used such as Granular Synthesis, Reverb, and timing.
Groove Monkee: graciously provided the MIDI files that are used for the percussion loops.
Keenan Brand: created the midi.city logo and various icons used on the site.
Noun Project: various icons are used via a Pro license.
Compifont by Marcin Dziembor: the soundfont powering the samples and many the audio graph definitions, is originally . Several modifications have been made to adapt to midi.city and the Web Audio API.