Drop D、Open G、DADGAD、Open D、Open E、Open A、半音下げなどに対応します。
Choose from the 10 available alternate tunings.
Strings differing from standard are highlighted.
Re-check all strings after big tension changes.
All popular alternate tunings included.
Hear the target note for any string.
Pick a tuning, then play: auto-select.
Same needle UI as standard tuner.
Alternate tunings change the pitches of one or more strings from the standard EADGBe. They unlock new chord shapes, voicings, and resonances that standard tuning cannot produce. Most alternate tunings tune the strings lower than standard (drop tunings, full-step-down). A few keep the same total tension or even tune higher (rare). All change the available chord fingerings dramatically.
Drop D drops only the low E down to D. The other five strings stay at standard. Result: an instant heavy power chord on the bottom three strings with one finger, plus a deeper-sounding low note. Drop D is the gateway alternate tuning: used in grunge (Nirvana, Foo Fighters), metal (Tool, Slipknot), and acoustic fingerstyle. Easy to switch back to standard.
Open tunings tune the strings so strumming with no fretting produces a major chord. Open G (DGDGBD) is the slide-blues classic. Open D (DADF#AD) is favoured by Joni Mitchell. Open E (EBEG#BE) is identical to Open D shifted up a whole step. Open tunings are perfect for slide guitar: barre any fret with a slide and you have a major chord at that fret. Standard chord shapes don't transfer; you'll need new shapes.
DADGAD tunes strings to D, A, D, G, A, D (low to high). The result is suspended: neither major nor minor by default. This ambiguity makes DADGAD perfect for Celtic, Irish, and folk styles where modal melodies sit naturally over the open strings. Fingerstyle players love DADGAD because the open strings can ring as drone notes under fretted melodies. Pierre Bensusan, Davy Graham, and Andy McKee have built entire styles around it.
Half Step Down (Eb Ab Db Gb Bb eb) tunes every string down by one semitone. Hendrix, Stevie Ray Vaughan, and many blues players used this: it gives strings a slacker feel and easier bending. Full Step Down (D G C F A D) drops everything by a whole step. Used in metal for heavier riffs, and in some folk for vocal-friendly key transposition without re-fingering.
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