Resources
Universal Tuner
Free universal chromatic tuner: real-time YIN detection, 440/432 Hz, cents deviation. Offline, for Windows.
Built at a luthier's bench, the Universal Tuner is a tuning tool for anyone who won't compromise on pitch. Ukulele, guitar, bass, mandolin, violin — any stringed instrument finds its reference here.
At its core is a pitch-detection algorithm (YIN) that reads the sound in real time and returns note, octave and cents deviation with lab-grade accuracy. The analogue-inspired needle tells you at a glance whether you're flat, sharp or dead in tune — no clutter, no distractions.
Features
- Chromatic tuning for any stringed instrument
- Real-time detection powered by the YIN algorithm
- Dual reference: A4 = 440 Hz (standard) and A4 = 432 Hz
- Cents deviation for surgical accuracy
- Analogue-inspired needle display
- Fully offline — no account, no connection, no ads
- Lightweight Windows desktop app, ready the moment you open it
Whether you're setting up a freshly built ukulele, touching up a guitar before you play, or exploring 432 Hz, the Universal Tuner gives you a clean, dependable reading every time.
An essential tool, made by someone who actually makes instruments. Download it for free.
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