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Free tools

Ten small tools I made for my own work. Each runs in your browser: no account, no upload, nothing stored.

• Bar CalculatorTempo to milliseconds: beats, bars, delay times and LFO rates.About
• Wavetable ViewerEvery frame of a wavetable WAV at once, and the scan.About
• Groove MeterTempo, swing and timing tightness of an audio file.About
• Tap TempoTap along and read the tempo, with beat and bar in milliseconds.About
• Harmonic Series PlayerHear the first 16 partials of a fundamental as sine tones.About
• Euclidean RhythmSpread pulses evenly over steps, then play the loop.About
• Sample RateThe Nyquist limit and the aliased tone, drawn and worked out.About
• Drum ModesEvery mode of an ideal round drum skin, as a heatmap.About
• Note FrequencyNote, MIDI number, hertz and cents, with the arithmetic.About
• Decibel CalculatorDecibels, ratios, dBFS and headroom, with the arithmetic.About