用經典指針將任意樂器調到任意音。
Tap Start and grant mic access.
The needle and target note appear automatically.
Adjust pitch until the needle sits in the green zone.
Smooth animated needle from -50¢ to +50¢.
Lock to any chromatic note.
See the last 10 readings as a trend.
432, 440, 442, 444 Hz support.
A chromatic tuner detects whatever pitch you play and shows the nearest semitone with the deviation in cents. This is the most flexible kind of tuner: it works for any instrument since it is not pre-configured to specific strings. Guitar players sometimes prefer instrument-specific tuners because they limit detection to expected notes, reducing octave errors. Chromatic tuners trade that for universality.
Play a note. The tuner identifies the nearest semitone and displays a needle showing how far you are from perfect tuning. Centre needle = in tune. Needle left = flat (raise pitch). Needle right = sharp (lower pitch). The in-tune zone is ±5¢. Most listeners can't hear deviations smaller than this. For ensemble playing or recording, aim for within ±2¢.
Lock mode forces the tuner to compare against a specific note. Use this when tuning a string that is significantly out of pitch: chromatic mode might snap to the wrong semitone. Lock to your target and adjust until the deviation reaches zero.
If the tuner jumps between two adjacent notes, you are exactly between them: adjust pitch decisively in one direction to settle on the target. If the tuner displays the wrong octave, harmonics are confusing detection. Pluck harder, move closer to the mic, or briefly use the lock mode to anchor the octave.
Use a chromatic tuner for unusual instruments (mountain dulcimer, oud, sitar), microtonal music, or when you need to tune to a non-standard pitch. Use an instrument-specific tuner (guitar, ukulele, violin, etc.) for everyday tuning of common instruments: they are faster and less prone to octave errors.
適用於所有主流平台和瀏覽器
| 裝置 / 系統 | Chrome | Firefox | Safari | Edge |
|---|---|---|---|---|
| Windows 10/11 | ✅ | ✅ | : | ✅ |
| macOS Ventura+ | ✅ | ✅ | ✅ | ✅ |
| Android 8+ | ✅ | ✅ | : | ✅ |
| iPhone / iPad (iOS 14+) | ✅ | : | ✅ | : |
| Chromebook | ✅ | : | : | : |
| Linux (Ubuntu) | ✅ | ✅ | : | ✅ |
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