All tools
Tuner
Tune a guitar, ukulele, bass, violin or anything else with your microphone: the note, cents sharp or flat and the string to turn. Free, with no account or uploads.
What are you tuning?
GuitarBest for mostSix stringsStandard, drop D, half step down, open G or DADGAD.UkuleleG C E AStandard tuning, the G string high.BassFour or five stringsE A D G, or B E A D G.ViolinG D A EStandard tuning in fifths.Anything elseAny noteShows the nearest note to whatever it hears.
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Press Start and play a string
440 Hz is the usual pitch (ISO 16).
The microphone is asked for only when you press Start, and stopped when you press Stop or leave. The sound is read in your browser and never sent or kept.
A little help along the way
Follow these steps. Every option is explained underneath. The sound is read in your browser and never kept.
- Say what you are tuningA guitar, ukulele, bass, violin, or any note.
- Press StartAllow the microphone when the browser asks.
- Play one stringTighten when it says flat, loosen when it says sharp, until it says In tune.
Every option explained
- Tuning
- Under More options: drop D, half step down, open G, DADGAD and others.
- A4
- 440 Hz is the usual pitch (ISO 16); set it from 415 to 466 Hz.
- In tune
- Within 5 cents, a twentieth of a semitone.