TrueTuner

Always in Tune

Universal

Chromatic Tuner
12 NOTES
All notes · C–B

Guitar

Standard
6 STRINGS
E4 B3 G3 D3 A2 E2
Half Step Down
6 STRINGS
D#4 A#3 F#3 C#3 G#2 D#2
Open G
6 STRINGS
D4 B3 G3 D3 G2 D2
Drop D
6 STRINGS
E4 B3 G3 D3 A2 D2
D-A-D-G-A-D
6 STRINGS
D4 A3 G3 D3 A2 D2
Drop C
6 STRINGS
D4 A3 F3 C3 G2 C2

7-String Guitar

Standard
7 STRINGS
E4 B3 G3 D3 A2 E2 B1

Bass Guitar

Standard
4 STRINGS
G2 D2 A1 E1
Half Step Down
4 STRINGS
F#2 C#2 G#1 D#1
Drop D
4 STRINGS
G2 D2 A1 D1
Drop C
4 STRINGS
F2 C2 G1 C1

5-String Bass Guitar

Standard
5 STRINGS
G2 D2 A1 E1 B0

Violin

Standard
4 STRINGS
E5 A4 D4 G3

Viola

Standard
ACTIVE
A4 D4 G3 C3

Cello

Standard
4 STRINGS
A3 D3 G2 C2

Double Bass

Standard
4 STRINGS
G2 D2 A1 E1

Ukulele

C-Tuning
4 STRINGS
A4 E4 C4 G4
D-Tuning
4 STRINGS
B4 F#4 D4 A4

Banjo

Standard G
5 STRINGS
D4 B3 G3 D3 G4
C-Tuning
5 STRINGS
D4 B3 G3 C3 G4

Tenor Banjo

Standard
4 STRINGS
A4 D4 G3 C3
Irish
4 STRINGS
E4 A3 D3 G2

Mandolin

Standard
4 STRINGS
E5 A4 D4 G3
Cross A
4 STRINGS
E5 A4 E4 A3
Cross G
4 STRINGS
D5 G4 D4 G3

Tuner Guides

Viola tuning

Free Online Viola Standard Tuner (with Mic)

Free online viola tuner for Standard tuning (A4 D4 G3 C3). Tune by microphone with real-time pitch detection and accurate cents feedback — no download, right in your browser.

Viola

TrueTuner

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