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Note Finder – What Note Am I Singing or Playing?

Microphone tuner
−50+50
–0 ¢– HzPlay a note
CC#DD#EFF#GG#AA#B

Ready

RelatedRelated tools
Good to knowTips
  • Quiet room, one string at a time
  • Tune up to the note
  • ±5 cents counts as in tune
PrivateStays on device
  • Runs inside your browser
  • No upload, no account
  • Nothing saved after you close

Find the musical note of any sound

This note finder names the musical note of any sound you hum, sing or play, using your microphone. Allow microphone access and hold a steady note to see the note and octave.

By the SoundsChecker team · Reviewed 2026-11-04 · How we test

Transcribing melodies

Hum slowly one note at a time; write each name; then check intervals on an instrument.

How to test

How to Use the
Note Finder

  1. 01

    Allow

    start the microphone.

  2. 02

    Sing

    hum one note at a time.

  3. 03

    Read

    the note highlights on the keyboard row.

  4. 04

    Write

    note down each note to transcribe a melody.

Transcribing melodies

Hum slowly one note at a time; write each name; then check intervals on an instrument.

Related guides and fixes

Learn more in these guides: How to tune a guitar, What note am I singing, Microphone not working.

Frequently Asked Questions

Q.Can it find a song key?

Indirectly; collect the notes and look at which scale they fit.

Q.Octave numbers?

C4 is middle C.

Q.Works offline?

After loading, yes.

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