Half Step Down Tuner targets: E♭2 A♭2 D♭3 G♭3 B♭3 E♭4
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Lower every string one semitone to E-flat A-flat D-flat G-flat B-flat E-flat while keeping all standard chord and scale shapes unchanged.
Half-step-down tuning is useful for matching recordings, easing a vocal range, or giving the guitar a slightly lower and looser response. Fingerings remain identical to standard tuning, but every written shape sounds one semitone lower unless the music is already notated for the transposed pitch.
Most normal string sets handle this small change without adjustment. The feel becomes a little softer, which some players prefer for bends. A slightly heavier gauge can restore the firmness of standard tuning if the guitar will stay down a half step permanently.
Lower all six strings once, then return to the sixth string for a complete second pass. The reduction in total tension can let strings tuned early drift slightly as the rest of the instrument settles.
The usual standard-tuning fret comparisons still work because none of the intervals between strings have changed: fifth fret to the next open string, except fourth fret on the G-flat string to reach B-flat. The two E-flat strings should remain two octaves apart.
This is standard tuning transposed downward by one semitone. Chord names change at sounding pitch, but the physical vocabulary does not: a familiar E shape sounds E-flat, an A shape sounds A-flat, and every scale pattern stays in the same place under the fingers.
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