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Music Tools
BPM, note frequency, transpose and metronome. 20 free tools, no sign-up.
BPM Tap CounterTap a key or button in time with any song and read the tempo in beats per minute instantly in your browser.Delay Time CalculatorEnter a tempo in BPM and get delay times in milliseconds and Hz for every note value from whole to sixteenth.Note Frequency CalculatorPick a note name and octave to see its exact pitch in Hz using equal temperament with A4 tuned to 440 Hz.Frequency to Note ConverterEnter any pitch in Hz and get the closest musical note, octave and how many cents sharp or flat it sits.Semitone Frequency CalculatorEnter a starting frequency and a number of semitones to see the resulting pitch in Hz using 12-TET math.Note Interval CalculatorPick two notes and see the interval name, the number of semitones and the frequency ratio between them.Key Transpose CalculatorEnter a musical key and a number of semitones to instantly get the new transposed key, up or down.Online MetronomeSet any tempo and time signature and get an accurate Web Audio click track right in your browser, no download needed.Time Signature ReferenceLearn what the top and bottom numbers mean, simple versus compound meter, and common signatures with beat groupings.Tempo Marking ReferenceLook up Italian tempo terms like largo, andante and allegro with their beats per minute ranges, or find the term for a BPM.Chord Note FinderPick a root note and chord quality like major, minor or dominant seventh to see the exact notes that make up the chord.Scale Note FinderChoose a key and a mode or scale type like major, minor or dorian to list all the notes in the scale instantly.Cents CalculatorConvert a frequency ratio or two pitches into cents, the fine pitch unit where one hundred cents equals a semitone.Reverb Decay CalculatorEnter a tempo in BPM to get tempo synced reverb decay and pre delay times in milliseconds for tight mixes.Octave Frequency CalculatorEnter a frequency and shift it up or down by whole octaves to see how the pitch doubles or halves in Hz.Note Wavelength CalculatorEnter a musical note or frequency to find its sound wavelength in air, useful for speaker and room acoustics.Sample Rate and Bit Depth ReferenceCompare 44.1 kHz, 48 kHz and higher rates, learn the Nyquist limit, and estimate uncompressed file size per minute.MIDI Note Number CalculatorConvert between MIDI note numbers, note names and frequency in Hz where middle C is MIDI 60 and A4 is 69.BPM to Hz ConverterTurn a tempo in beats per minute into a frequency in hertz for setting LFOs, tremolo and modulation to the beat.Song Length CalculatorEnter tempo, bars and time signature to work out how long a section or full track runs in minutes and seconds.
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Free music tools: BPM tap counter, delay time, note frequency, transpose, interval and chord finders, and a metronome. Equal temperament math, all in your browser. All 20 tools are free, run entirely in your browser, and need no sign-up.
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Are these music tools free?
Yes. Every music tool on yourhack.ai is completely free, with no sign-up and no usage limits.
Do these music tools work on mobile?
Yes. They run in any modern web browser on phone, tablet or desktop. There is nothing to install.
Is my data private?
Yes. These tools run entirely in your browser, so nothing you enter is uploaded to a server.
How many music tools are there?
There are currently 20 free music tools here, and we add more regularly.