BELLOWS

5.4easy start · #124of 124
in AI Music Generators

Well documentedno
Runs where you workno

Runs on Web.

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BELLOWS is ranked #124 of 124 in AI music generators on The Geeks Club. It runs on Web. There is a free plan.

BELLOWS plans and pricing

All plans

BELLOWS Free Free, open source audio engine bellows.live · 12 Oct 2026

Compared on AI music generators

Free plan: Yes
Commercial use: Yes
Supported platforms: web

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The record

Product: BELLOWS is a free, open source audio engine and interactive browser instrument and workbench.
Sound tools: The engine includes synthesizers, drum machines, samplers, soundfont support, sequencing, and effects.
Built-in instruments: The site says BELLOWS includes 18 built-in synthesizers and supports playing with a mouse, keyboard, or MIDI controller.
Generative music: A seed word can generate beats, basslines, melodies, and chords, with the same seed producing the same song each time.
Import sounds: Users can load SoundFont files or their own audio samples and play them across a keyboard.
Recording: The browser workbench can record music to a WAV file, and the site says it requires no account or upload.
Use in projects: The library can be installed with npm, loaded from unpkg or jsDelivr, or imported into apps built with Vite or webpack.
Offline rendering: The engine can run in Node without a browser to render songs to WAV files.
Audio engine: The library uses an AudioWorklet kernel that schedules events on the audio thread for sample-accurate timing.
Music theory: The library supports more than 30 scales, chord parsing, voice leading, negative harmony, and tunings including EDO and just intonation.
Formats and MIDI: The library supports WAV encoding and decoding, standard MIDI file read and write, Web MIDI where available, and WebCodecs Opus export where available.
Browser requirements: AudioWorklet is required; the repository lists Chrome 66+, Firefox 76+, and Safari 14.1+ as supported, while Web MIDI is limited to Chromium and Firefox.
License: The project is released under the Apache-2.0 license.
Maker: The site identifies Moheeb Zara (@virgilvox), hack.build, as the maker.
Price from: Free

Where it ranks on The Geeks Club

Best AI Music Generators in 2026#124 of 124

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Sources

bellows.live· checked 12 Oct 2026
github.com/virgilvox/bellowsjs· checked 12 Oct 2026