Half step down tuner

Tune to Half step down (Eb) (D# G# C# F# A# D#) with your phone or computer microphone. Press start, play a string and follow the needle.

Quick answer

Half step down (Eb), low to high: D# G# C# F# A# D#.

Mic off
E
Tap start, then play any string

  1. Click Start tuner and choose Allow when the browser asks for the microphone.
  2. Hold the guitar close to your laptop. The mic is usually next to the camera above the screen.
  3. Play one string and let it ring. Follow the needle to the middle.

Allow the microphone, then play one string close to your phone.

Sound stays on your device. Nothing is recorded or uploaded.

Instrument

Strings, low to high

Tap a string to hear its note. While the tuner listens, tap one to lock onto it.

Reference pitch A4 = 440 Hz

Leave this at 440 unless you are matching a piano or a record that is off standard pitch.

Half step down (Eb): notes and frequencies

Half step down (Eb): notes and frequencies with A4 = 440 Hz
StringNoteFrequency
6D#277.78 Hz
5G#2103.83 Hz
4C#3138.59 Hz
3F#3185.00 Hz
2A#3233.08 Hz
1D#4311.13 Hz

Half step down (Eb) is D# G# C# F# A# D#, from the lowest string to the highest. Every string drops one half step from standard, so chord shapes stay the same but sound lower and bend more easily.

How to tune

  1. Press Start tuner and allow the microphone.
  2. Play one string at a time and let it ring.
  3. Tune up if the needle sits left of center and down if it sits right. The note turns green within 3 cents.

Other tuners

Tuners for every setup

A clip-on works anywhere. A pedal tuner mutes your signal on stage.

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Common questions

What notes are half step down tuning?
Eb Ab Db Gb Bb Eb, from the low string to the high string.
Do I need different strings for Eb tuning?
No. Regular 10s or 11s work fine; strings feel slightly looser.

Last updated November 14, 2026.