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STANDARD EADGBEβ—†DROP D (DADGBE)β—†DROP Cβ—†HALF-STEP DOWN (Eb)β—†DADGAD CELTICβ—†OPEN Gβ—†OPEN Dβ—†4-STRING BASSβ—†5-STRING BASSβ—†UKULELE (gCEA)β—†SUB-CENT ACCURACYβ—†SCREEN WAKELOCK ACTIVEβ—†NO APP REQUIREDβ—†100% FREEβ—†
🎸INSTRUMENT DIRECTORY

Explore Every Tuning & Preset

Choose from standard concert pitches, drop power chord setups, rich open modal tunings, and multi-instrument presets. Listen to audio string previews and launch dedicated precision tuners.

🎸14 Presets

Guitar

Acoustic & electric guitar tuners with sub-cent pitch detection for Standard, Drop, Open, and Celtic modal tunings.

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🎸4 Presets

Bass Guitar

High-precision bass guitar tuners supporting deep low fundamentals for 4-string and 5-string electric bass.

View all Bass Guitar tunings→
πŸͺ•5 Presets

Ukulele

Soprano, concert, tenor, baritone, and low-G ukulele tuners with instant re-entrant string detection.

View all Ukulele tunings→
🎻4 Presets

Violin & Fiddle

Sub-cent orchestral and fiddle tuners with perfect fifths calibration for standard GDAE, cross-tunings, and Cajun fiddle.

View all Violin & Fiddle tunings→
πŸ”
guitar β€’ popular6 Strings

Standard Guitar

E A D G B E

The universal concert tuning used across rock, pop, acoustic, blues, and classical guitar.

RockPopAcousticBluesClassicalJazz
Launch Tuner β†’
guitar β€’ drop6 Strings

Drop D

D A D G B E

The 6th string is dropped one whole step from E down to D, enabling fast one-finger power chords.

Hard RockGrungeMetalAlternativeAcoustic Fingerstyle
Launch Tuner β†’
guitar β€’ drop6 Strings

Drop C

C G C F A D

All strings tuned one full step down, with the 6th string dropped an additional whole step to C.

MetalcoreModern MetalPost-HardcoreNu-Metal
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guitar β€’ popular6 Strings

Half-Step Down (Eb)

Eb Ab Db Gb Bb Eb

Every string tuned down one semitone (Eb Ab Db Gb Bb Eb) for warmer acoustic timbre and easier bends.

Blues RockHard RockGrungeHeavy Metal
Launch Tuner β†’
guitar β€’ popular6 Strings

D Standard (Full Step Down)

D G C F A D

Every string lowered by one full whole step (D G C F A D) for dark, heavy chords.

Doom MetalStoner RockModern MetalSludge
Launch Tuner β†’
guitar β€’ alternate6 Strings

DADGAD (Celtic Tuning)

D A D G A D

Modal D suspended tuning renowned for open, ringing acoustic harmonies in Celtic and fingerstyle folk.

CelticFolkAcoustic FingerstylePost-Rock
Launch Tuner β†’
guitar β€’ open6 Strings

Open G Tuning

D G D G B D

Strumming all open strings produces a pure G major triad. The definitive sound of the Rolling Stones.

Classic RockDelta BluesSlide GuitarCountry
Launch Tuner β†’
guitar β€’ open6 Strings

Open D Tuning

D A D F# A D

An open strum rings out a full D major chord (D A D F# A D). Standard for blues slide guitar.

Slide BluesAcoustic FolkRootsCountry
Launch Tuner β†’
guitar β€’ open6 Strings

Open E Tuning

E B E G# B E

Open strum produces an E major chord. Duane Allman / Derek Trucks slide signature.

Southern RockSlide GuitarBlues
Launch Tuner β†’
guitar β€’ open6 Strings

Open C Tuning

C G C G C E

An expansive open tuning sounding a deep C major triad (CGCGCE), favored for lush acoustic fingerstyle and drone acoustic.

Acoustic FingerstyleFolkAmbientPost-Rock
Launch Tuner β†’
guitar β€’ drop6 Strings

Double Drop D

D A D G B D

Both the 1st and 6th outer strings are dropped one whole step to D, creating a symmetrical D-A-D-G-B-D tuning.

Folk RockClassic RockBluegrassAcoustic Fingerstyle
Launch Tuner β†’
guitar β€’ alternate6 Strings

C Minor 11 (Cm11)

C G C Eb G Bb

An evocative modal minor tuning (C G C Eb G Bb) creating an open C minor 11 chord with haunting, cinematic overtones.

CinematicAmbient AcousticModern FingerstylePost-Metal
Launch Tuner β†’
guitar β€’ popular7 Strings

7-String Guitar Standard

B E A D G B E

Standard seven-string guitar tuning (BEADGBE) adding a heavy low B fifth below standard low E.

Progressive MetalDjentJazzNu-MetalModern Rock
Launch Tuner β†’
guitar β€’ popular12 Strings

12-String Guitar Standard

eE aA dD gG BB EE

Standard twelve-string acoustic/electric concert tuning with octave pairings on the lower 4 courses and unisons on the top 2 courses.

Classic RockFolk RockJangle PopAcoustic
Launch Tuner β†’
bass β€’ popular4 Strings

4-String Bass Standard

E A D G

Standard 4-string bass tuning (EADG) matching the lowest four guitar strings an octave lower.

All GenresRockFunkJazzPop
Launch Tuner β†’
bass β€’ drop4 Strings

4-String Bass Drop D

D A D G

The 4th string is dropped to D1 (36.71 Hz) to match Drop D guitars.

Hard RockMetalGrunge
Launch Tuner β†’
bass β€’ popular5 Strings

5-String Bass Standard

B E A D G

5-string electric bass featuring an ultra-deep low B0 string (30.87 Hz).

Modern MetalGospelRnBFusion
Launch Tuner β†’
ukulele β€’ popular4 Strings

Standard Ukulele (gCEA)

g C E A

Traditional re-entrant high-G tuning for Soprano, Concert, and Tenor ukuleles.

HawaiianPopIndieFolk
Launch Tuner β†’
ukulele β€’ alternate4 Strings

Low G Ukulele

G C E A

Linear ukulele tuning with a deep wound 4th string (G3 196 Hz) for wider melodic range.

Fingerpicking Solo UkuleleJazzClassical
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ukulele β€’ alternate4 Strings

Baritone Ukulele (DGBE)

D G B E

Tuned identically to the top four strings of a guitar (DGBE).

FolkBluesAcoustic
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ukulele β€’ alternate4 Strings

D-Tuning Soprano (aDF#B)

a D F# B

Traditional English and Canadian soprano ukulele tuning pitched one whole step higher (a4 d4 f#4 b4).

Traditional SopranoEnglish Music HallClassical Ukulele
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ukulele β€’ alternate4 Strings

Slack Key Ukulele (gCEG)

g C E G

Traditional Hawaiian open C major tuning (Ki HoΚ»alu) where strumming all open strings produces a rich C major chord.

Hawaiian Slack KeyIsland FolkAmbient
Launch Tuner β†’
bass β€’ alternate4 Strings

4-String Bass Half-Step Down (Eb)

Eb Ab Db Gb

All strings tuned down one semitone (Eb1 Ab1 Db2 Gb2) to accompany Eb guitars with heavy low-end tone.

Hard RockGrungeBlues RockHeavy Metal
Launch Tuner β†’
violin β€’ popular4 Strings

Standard Violin (GDAE)

G D A E

The universal orchestral and solo violin tuning pitched in perfect fifths (G3 D4 A4 E5).

ClassicalOrchestralFiddleCelticJazz
Launch Tuner β†’
violin β€’ alternate4 Strings

Cross-Tuning Fiddle (AEAE)

A E A E

High bass cross-tuning (A3 E4 A4 E5) used in Appalachian old-time fiddle for ringing open-string drone harmonics.

Appalachian FiddleOld-TimeBluegrass
Launch Tuner β†’
violin β€’ open4 Strings

Open G Fiddle (GDGD)

G D G D

Open G tuning (G3 D4 G4 D5) giving American bluegrass and folk tunes continuous open string chime.

Old-TimeBluegrassFolk
Launch Tuner β†’
violin β€’ alternate4 Strings

Cajun Fiddle (Full Step Down)

F C G D

Every string tuned one whole step down (F3 C4 G4 D5) to match the diatonic Cajun C accordion.

CajunZydecoLouisiana Folk
Launch Tuner β†’
MUSICIAN'S GUIDE

How to Choose the Right Tuning

Standard vs. Drop Tunings

Standard tuning (EADGBE) offers the most flexible chord shapes across all keys. Drop D or Drop C detunes only the lowest string, allowing you to play heavy power chords using just one finger barred across the lower three strings.

Open & Modal Tunings

Open tunings (like Open G or Open D) tune the open strings to a complete major triad. Strumming without fretting sounds a full chord, perfect for slide guitar, blues, and rich acoustic arrangements like DADGAD.