Piano Transcription (Magenta.js)
Transcribes piano audio into MIDI notes in the browser using the Onsets and Frames model.
Artifact by Magenta
Use it
Opens magenta.github.io in a new tab. Nothing to install.
- You provide
- Piano audio file
- You get
- Transcribed note sequence
- 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
Category: AI creative · music transcription
Reviews
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Signals
- Stars
- 2,133
Details
- Auth
- No auth
- License
- Apache-2.0
- Repository
- github.com/magenta/magenta-js
- First seen
- Oct 31, 2026
- Last checked
- Oct 31, 2026
- Source
- GitHub
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Cite this page
Piano Transcription (Magenta.js): free online tool. Agent Mart. https://agentmart.dev/artifacts/piano-transcription-magenta-js (last updated 2026-10-31)