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What is jazz-chord-finder?

mattpocock/jazz-chord-finder — explained in plain English

Analysis updated 2026-07-06 · repo last pushed 2018-06-02

1JavaScriptAudience · generalComplexity · 2/5DormantSetup · moderate

In one sentence

A simple web app that helps guitarists find jazz chords on a visual fretboard. Built with React and d3.js, it shows you exactly where to place your fingers for the chord you want.

Mindmap

mindmap
  root((repo))
    What it does
      Visual guitar fretboard
      Find jazz chords
      Interactive diagram
    Tech stack
      React
      d3.js
      SVG
    Use cases
      Learn jazz chords
      Find alternative positions
      Quick chord reference
    Audience
      Guitar players
      Jazz learners
      Beginners
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Code map

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filefunction / class

What do people build with it?

USE CASE 1

Look up finger positions for a specific jazz chord you need for a song.

USE CASE 2

Find alternative chord positions higher or lower on the guitar neck.

USE CASE 3

Get a quick visual reference for complex jazz chord shapes.

What is it built with?

JavaScriptReactd3.jsSVG

How does it compare?

mattpocock/jazz-chord-finderacip/slack-claude-agentalexanderdaly/neurofhe-relay
Stars111
LanguageJavaScriptJavaScriptJavaScript
Last pushed2018-06-02
MaintenanceDormant
Setup difficultymoderatemoderateeasy
Complexity2/53/52/5
Audiencegeneraldeveloperresearcher

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · moderate Time to first run · 30min

README lacks setup instructions, so you will need to inspect the project files to determine how to install dependencies and run it.

No license information is provided in the repository.

So what is it?

Jazz Chord Finder is a simple web app that helps guitar players discover jazz chords on the fretboard. Instead of digging through chord encyclopedias or memorizing countless shapes, you can use this tool to quickly find where to place your fingers for the sound you want. At a high level, the project is built using React for the interface and d3.js combined with SVG to draw the guitar fretboard visually. This means the app likely renders an interactive diagram of a guitar neck, showing you exactly which frets and strings to press. The technical setup allows the fretboard to update dynamically as you search for different chords. This tool is aimed at guitarists who are learning jazz or exploring more complex harmony. Jazz chords often involve intricate finger positions and variations across the neck, so having a quick visual reference is genuinely useful. A beginner trying to voice a specific chord for a song, or an intermediate player looking for alternative positions, could use this app to instantly see their options on screen. The README does not go into detail about the specific features, installation process, or how to use the interface. However, based on the tools used to build it, the project functions as a straightforward visual utility rather than a deep music theory application.

Copy-paste prompts

Prompt 1
I want to build a guitar chord finder app using React and d3.js to render an interactive SVG fretboard. Help me set up the project structure and draw a basic guitar neck with frets and strings.
Prompt 2
Using React and d3.js with SVG, how can I dynamically highlight specific frets and strings on a guitar fretboard diagram when a user searches for a jazz chord like Cmaj7?
Prompt 3
Help me create a reusable React component that renders a guitar fretboard in SVG and accepts an array of finger positions to display a chord shape visually.

Frequently asked questions

What is jazz-chord-finder?

A simple web app that helps guitarists find jazz chords on a visual fretboard. Built with React and d3.js, it shows you exactly where to place your fingers for the chord you want.

What language is jazz-chord-finder written in?

Mainly JavaScript. The stack also includes JavaScript, React, d3.js.

Is jazz-chord-finder actively maintained?

Dormant — no commits in 2+ years (last push 2018-06-02).

What license does jazz-chord-finder use?

No license information is provided in the repository.

How hard is jazz-chord-finder to set up?

Setup difficulty is rated moderate, with roughly 30min to a first successful run.

Who is jazz-chord-finder for?

Mainly general.

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