MIDI Jar

Toolbox for musicians that routes and transforms MIDI between devices directly in the browser.

Artifact by la-jarre-a-son

IndexedMIT★ 201Audio & videoNo sign-up

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Opens midi-jar.ljas.fr in a new tab. Nothing to install.

Open MIDI Jar Source code

You provide: MIDI device input
You get: Routed and transformed MIDI
Account: No sign-up needed
AI: No AI: a plain tool
Your input: Not stated: check the tool's privacy notes before using private data
Price: Free to use
Made with: Open-source web app
Source: Open source
Link check: Answered on Oct 31, 2026

About

MIDI Jar is an open-source web app in the audio video category (midi toolbox). It opens in your browser, so there is nothing to install. You provide MIDI device input and get routed and transformed MIDI. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (la-jarre-a-son/midi-jar).

Category: Audio & video · midi toolbox

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Stars: 201

Details

Auth: No auth
License: MIT
Repository: github.com/la-jarre-a-son/midi-jar
Website: midi-jar.ljas.fr/
First seen: Oct 31, 2026
Last checked: Oct 31, 2026
Source: GitHub

Cite this page

MIDI Jar: free online tool. Agent Mart. https://agentmart.dev/artifacts/midi-jar (last updated 2026-10-31)