

You need solid external speakers or headphones for the two lowest octaves.
ONLINE CHROMATIC TUNER GENERATOR
126 instruments + “Any instrument” mode - Transposition: +/- 4 octaves, two transposition modes - Adjustable sensitivity - US (CDEFGAB), German (CDEFGAH), scientific (C2, C3, C4) and Helmholtz (C, c, c’) notations PAID VERSION FEATURES - Tone Generator able to play notes from A0 to C8 (88-key piano range) or any frequency from 27.5 Hz to 4186.01 Hz. Still the tuner tries to compute these tones from higher harmonics, sometimes successfully. FREE VERSION FEATURES - Fully working needle and strobe tuner with no time limit, supported by ads - Strobe accuracy: +/- 0.5 cent - Needle accuracy: 5th octave: +/- 0.2 cent, 6th octave: +/- 1 cent, 0th octave: +/- 6 cents - Range: A0 – B6 The tuner is able to measure tones in the 0th and 1st octaves for some harmonically very rich instruments only, as common phone microphones are not able to detect these low frequencies.

Adjustable sensitivity will help in not so quiet environments. Detected notes are shown on a musical staff. Both methods are used at the same time, so it’s not necessary to choose one of them.

The needle enables fast and comfortable rough tuning, while two optional stroboscopic animations facilitate fine tuning. Needle and stroboscope chromatic instrument tuner.
