All tools

Find a tool by what it helps you do.

Start with a quick calculation, or enter one of the four focused workspaces. This page is only a directory; the tools stay grouped with the musical context they share.

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Quick tools

Get a direct answer.

Transpose a chordMove a symbol by a chosen number of semitones while preserving quality and slash bass. Plan a capoTranslate between a familiar chord shape and the chord that actually sounds. Tempo and delayCalculate exact beat, subdivision, dotted, triplet, and delay durations.

Tool families

Go deeper without facing one giant control panel.

TabsInspect evidence, compare transcriptions, transpose chord sheets, and safely re-finger numeric tab. FretboardMap notes, intervals, scales, modes, and chord tones across one continuous neck. Chords and voicingsAnalyze shapes, enumerate constrained voicings, compare chords, and trace voice leading. Scales and harmonySpell and harmonize scales, then translate progressions in an explicitly declared key. Progressions and playbackGenerate, edit, explain, voice, arrange, and loop a progression under inspectable rules. RhythmCalculate timing, analyze exact rhythm notation, paint strumming grids, and generate verified bars.