Musical note player
Choose a note and octave, see its frequency and hear a synthesised reference tone.
Bookmark this page
Keep this page handy for next time.
- On a computer
- Press Ctrl + D, or Command + D on a Mac.
- On a phone or tablet
- Open your browser's menu or Share menu and look for Add Bookmark, Bookmark or Add to favourites.
A bookmark saves the page link. Save any tool results separately.
Loading controls...
Turn on your volume and start low. Sound plays only after you press a control.
A4 440.00 Hz
How to use this tool
- Choose a note, octave and A4 tuning reference.
- Press Play note to hear it; use Stop to end playback.
Things to know
- Sound starts only after your action. Use Play/Start and Stop plus the volume control. If silent, check device volume and the selected output. Playback stops when this page is hidden or left.
- Equal-tempered reference tones, not sampled acoustic instruments. Middle C is C4; the tuning reference is your choice.
- Processing and results stay on this device. Inputs are bounded; no work is saved between visits.
You might also need
More in music & soundMusical scale player
Explore and hear major, minor, pentatonic and blues scales from a chosen starting note.
Chord player
Build and hear a musical chord or a short progression with adjustable tempo and inversion.
Interval ear trainer
Practise recognising the distance between two notes, with answers and a session score.
Virtual piano
Play a small piano keyboard with pointer, touch or computer keys and change its octave.
BPM and delay time calculator
Convert a tempo into beat and note durations, including dotted and triplet delay times.
Simple drum machine
Make a repeating sixteen-step beat with synthesised kick, snare and hi-hat sounds.
White and pink noise generator
Play generated white or pink noise with adjustable volume and an optional stop timer.
Chord transposer
Transpose chord names in chord sheets while keeping ordinary lyrics and spacing unchanged.
Music manuscript and guitar tab paper
Print blank A4 music manuscript or six-line guitar tablature paper.