Cloudflare Pages demo

Classic Guitar Tuner

Dial in your E–A–D–G–B–E with a precise microphone tuner built for the web. Works right in the browser with no downloads.

Live frequency

Waiting for microphone…

0.00 Hz

Input level

Sensitivity (noise gate) 12% input

Target string

—

Offset

0 cents

String focus

Leave on Auto to auto-detect or lock to a string.

Tip: for the cleanest reading, face your microphone toward the sound hole and mute nearby noise. Permissions stay on device and never reach a server.