Free Music Tools
9 tools, all client-side — nothing you play or type is ever sent to a server.
Chord FinderChord Progression TransposerInstrument TunerMetronomeScale VisualizerChord Progression BuilderKey Signature IdentifierChord Builder & InverterInteractive Circle of Fifths
Answer pages built on the tools
Two of the tools have a permanent page for every one of their results, so a particular mode or a particular key signature is something you can link to and come back to rather than a state you have to set up again.