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Piano Genie (Magenta.js)

Play a few buttons and a neural net turns them into a full piano performance in your browser.

Artifact by Magenta

IndexedApache-2.0★ 2,133AI creativeAI-poweredNo sign-upRuns in your browser

Use it

Opens magenta.github.io in a new tab. Nothing to install.

You provide
Eight button presses
You get
Piano performance audio
Account
No sign-up needed
AI
AI-powered; no API key needed
Your input
Processed in your browser, not uploaded (stated by the tool or its repo)
Price
Free to use
Made with
Open-source web app
Source
Open source
Link check
Answered on Oct 31, 2026

About

Piano Genie (Magenta.js) is an open-source web app in the ai creative category (piano genie). It opens in your browser, so there is nothing to install. You provide eight button presses and get piano performance audio. Your input is processed on your device and not uploaded. It needs no account and no API key. It uses an AI model to do its job. The source code is public on GitHub (magenta/magenta-js).

Category: AI creative · piano genie

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Signals

Stars
2,133

Details

Auth
No auth
License
Apache-2.0
First seen
Oct 31, 2026
Last checked
Oct 31, 2026
Source
GitHub

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Cite this page

Piano Genie (Magenta.js): free online tool. Agent Mart. https://agentmart.dev/artifacts/piano-genie-magenta-js (last updated 2026-10-31)