Guitar Chord Generator – Create Custom Chords Free

Guitar Chord Generator

Generate inspiring guitar chord progressions, visualize authentic fretboard voicings, and preview acoustic strums.

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Fretboard Voicings

Create Guitar Chord Progressions with Real Playable Voicings

The Guitar Chord Generator helps you create authentic guitar chord progressions that sound natural on a real instrument. Instead of generating piano-style chords, it builds progressions using playable guitar voicings, prioritizing open chord shapes and automatically selecting CAGED barre chords when needed. This makes it an excellent tool for songwriters, producers, and guitarists who want realistic chord arrangements without manually searching through chord charts.

Choose a key, mode, and progression pattern, and the calculator instantly generates chord names, Roman numeral analysis, interactive fretboard diagrams, audio playback, and downloadable MIDI files. It also includes automatic capo support, making it easy to explore different keys while maintaining comfortable fingerings.

How to Use the Guitar Chord Generator

Creating a progression only takes a few steps:

  1. Select the root key.
  2. Choose a scale mode, including Major, Minor, Dorian, or Mixolydian.
  3. Pick a progression pattern or load one of the built-in presets.
  4. Adjust the capo position if needed.
  5. Choose a strumming pattern and playback tempo.
  6. Review the generated chord progression and Roman numeral analysis.
  7. Examine each fretboard diagram to learn the fingerings.
  8. Play the progression or export it as a MIDI file for your DAW.

If you want to understand how each chord is built before generating progressions, our guide to How Chords Are Built provides a solid foundation.

What the Calculator Displays

The generator produces more than a simple list of chords by combining music theory with practical guitar voicings.

OutputDescription
Chord ProgressionDisplays the generated chord names for the selected key and pattern.
Roman NumeralsShows the harmonic function of every chord within the key.
Fretboard DiagramsDisplays realistic guitar fingerings for every chord.
Capo AdjustmentsUpdates playable shapes while preserving the correct sounding pitch.
Audio PlaybackPlays the progression using synthesized guitar-style strums.

Each chord diagram is generated using playable guitar fingerings rather than theoretical note stacks, making the results practical for real performance .

Realistic Guitar Voicings with the CAGED System

Unlike generic chord progression generators, this tool uses a smart voicing engine that prioritizes open chords whenever possible. When open shapes are no longer practical, it automatically switches to CAGED System barre chord forms, ensuring every generated progression remains comfortable to play.

This approach is useful for:

  • Songwriting
  • Guitar practice
  • Music production
  • Learning common chord progressions
  • Live performance preparation
  • Understanding fretboard patterns

If you want to study individual guitar chord shapes in more detail, the Guitar Chord Finder lets you explore multiple voicings for a single chord across the fretboard.

Capo Support and Roman Numeral Analysis

Changing the capo position allows you to keep familiar fingerings while performing in different keys. The calculator automatically adjusts the displayed guitar shapes while preserving the actual sounding harmony, making it easy to accompany singers or transpose songs without relearning every chord.

Roman numeral analysis also helps you understand how each chord functions within the selected key, making the tool valuable for both songwriting and music theory study.

For additional key analysis, the Key Signature Calculator can help you identify the notes and diatonic chords that belong to each key.

Audio Playback and MIDI Export

The built-in Play Progression feature lets you hear the generated chords using a browser-based synthesized acoustic guitar sound. Instead of relying on prerecorded audio files, the playback is created in real time using the Web Audio API with staggered string plucks that imitate natural guitar strumming.

When you’re ready to continue arranging your music, the Download MIDI button exports the complete guitar progression as a Type 0 MIDI file directly from your browser. No account, email signup, or external server is required.

If you want to move an existing progression into another key, the Chord Transposer provides a quick way to transpose chord sequences while preserving their harmonic relationships. You can also use the Circle of Fifths Calculator to explore common chord movements and key relationships.

Frequently Asked Questions

What types of progressions can the calculator generate?
The calculator supports popular progression patterns across Major, Minor, Dorian, and Mixolydian modes, along with preset progressions such as Pop, Rock, Jazz, 50s, and Andalusian.

Does it generate real guitar voicings?
Yes. The voicing engine prioritizes open chords and automatically selects CAGED barre chord shapes when appropriate, ensuring every progression is physically playable.

Can I use a capo?
Yes. The capo calculator adjusts the displayed fingerings while maintaining the correct sounding pitch of the progression.

Does the tool export MIDI files?
Yes. It generates a Type 0 MIDI file containing the guitar voicings directly in your browser for use in compatible DAWs.

Is the audio created from recorded guitar samples?
No. Playback is generated using the browser’s Web Audio API to synthesize guitar-style strums rather than playing prerecorded MP3 files.

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