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ChordProgressions.org

chordprogressions.org

Free plan Web
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Spec score 7.5 #18 of 27 in Chord Finder Software

What it is

ChordProgressions.org is a free browser studio for creating, hearing, analyzing, customizing, and exporting chord progressions for guitar and piano. Its tools include generators, builders, finders, identifiers, analyzers, and transposers. Guitar shapes and piano voicings can be adjusted for tuning, capo position, difficulty, inversions, and fingering. Theory views show Roman numerals, Nashville numbers, chord functions, cadence points, borrowed chords, and an estimated key with confidence. The studio accepts MIDI input and imports MusicXML, project files, and plain-text chord sheets. Browser audio analysis creates an editable chord timeline with a confidence score. Exports include MIDI, WAV, chord-chart PDF, PNG and SVG diagrams, plain text, CSV, JSON, MusicXML, and share links. Projects autosave on the device, and imported files are read locally. Practice tools loop progressions with metronome and count-in, plus ear and playing exercises in every key.

Spec sheet

Purpose
The site offers a browser-based studio for creating, hearing, analyzing, customizing, and exporting chord progressions for guitar and piano.Read 3 Oct 2026 · chordprogressions.org
Intended users
The site presents tools and learning materials for guitarists, pianists, songwriters, and people learning music theory.Read 3 Oct 2026 · chordprogressions.org
Integrations
The studio lists MIDI device input and output and imports MIDI and MusicXML files; no third-party service integrations are stated on the opened page.Read 3 Oct 2026 · chordprogressions.org
Audio analysis
Audio decoding and analysis run in the browser, and the resulting chord timeline is an estimate with a confidence score that remains editable.Read 3 Oct 2026 · chordprogressions.org
Exports
Export options include MIDI, WAV, chord chart PDF, PNG and SVG diagrams, plain text, CSV, JSON, MusicXML, and a share link.Read 3 Oct 2026 · chordprogressions.org
Guitar and piano
It generates guitar shapes and piano voicings, with settings for tunings, capo positions, difficulty, inversions, and fingering.Read 3 Oct 2026 · chordprogressions.org
Library size
The site says its progression library contains more than 130 patterns across genres.Read 3 Oct 2026 · chordprogressions.org
Local storage and privacy
The site says projects autosave in the browser and stay on the device; imported files are read in the browser and never uploaded.Read 3 Oct 2026 · chordprogressions.org
MIDI and file support
The studio supports MIDI input and output and imports MusicXML, project files, and plain-text chord sheets.Read 3 Oct 2026 · chordprogressions.org
Practice
The practice tool loops a progression with a metronome and count-in, and offers ear-recognition and playing practice in every key.Read 3 Oct 2026 · chordprogressions.org
Progression tools
Its listed tools include a progression generator, builder, finder, identifier, analyzer, and transposer.Read 3 Oct 2026 · chordprogressions.org
Security limitation
The studio requires JavaScript for playback and editing; the progression library, key reference, theory articles, and chord tables work as plain HTML without it.Read 3 Oct 2026 · chordprogressions.org
Theory analysis
The analyzer can show Roman numerals, Nashville numbers, chord functions, cadence points, borrowed chords, and a key estimate with a confidence rating.Read 3 Oct 2026 · chordprogressions.org

Plans and prices

ChordProgressions.org Free Free in-browser studio; JavaScript required for studio playback and editing Read 3 Oct 2026 · chordprogressions.org

Every ChordProgressions.org plan and price →

Strong points and limits

Strong points

  • Free in-browser studio
  • Tools for guitar and piano
  • Extensive theory analysis
  • Many audio, chart, and data exports
  • Local autosave and file reading

Limits

  • JavaScript required for playback and editing
  • Audio chord timelines are estimates
  • No free trial is offered

Who it suits

It suits guitarists, pianists, songwriters, and music-theory learners working in a browser. Users who need many export formats or local file handling may find it useful.

Verdict

ChordProgressions.org covers progression creation, theory, practice, analysis, and export in one browser workspace. JavaScript is necessary for the interactive studio, while projects and imports remain on the device.

Where Specifiction places it

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