NNWS Tools

Instrument Tuner

Tune by pitch using your mic.

Runs on your device
—
play a note
♭ -50
+50 ♯
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Audio tools

Trim & MergeVolume & NormalizeVoice RecorderText to SpeechInstrument Tuner

About Instrument Tuner

Instrument Tuner is a free, private audio tool that lets you tune by pitch using your mic. Like every tool on NWS Tools, it runs entirely in your browser — nothing is uploaded, there are no accounts, and there's no tracking. Just open it and go.

Frequently asked questions

Is Instrument Tuner free to use?
Yes. Instrument Tuner is completely free, with no account, sign-up or limits.
Are my files or data uploaded anywhere?
No. Instrument Tuner runs entirely in your browser. Your files, text and numbers are processed on your own device and are never uploaded to a server.
Does Instrument Tuner work offline?
Once the page has loaded, most tools keep working with no internet connection. NWS Tools is a Progressive Web App you can even install.
Do I need to install any software?
No installation is required — Instrument Tuner works instantly in any modern browser on desktop or mobile.