Free Music tools
Calculators and converters that run right in your browser — no install. Nothing you enter is sent to our server.
BPM calculatorTap to find BPM, convert BPM to note lengths (ms)
Playlist length calculatorAdd up track lengths and see how many more you need
Chord progression generatorPick a key and mood, get ready-to-use progressions
Music prompt generatorBuild English prompts for AI music generators
Lyrics length calculatorEstimate how many lyric lines a song needs and count yours