Free Music Tools
TuneUniversal
A multilingual music platform for tuning, rhythm practice, audio checks and chord work on any device.
Free • Online • No installation
Choose a tool by task: tune an instrument, find BPM, practice rhythm or transpose a chord progression.
Chromatic tuner
Universal online tuner
Use your microphone to tune guitar, bass, ukulele and many string instruments. The tuner works chromatically and shows note, frequency and cents.
Tune instruments
For microphone tuning and instrument-specific reference notes.
Rhythm and BPM
For metronome practice and quick song tempo estimates.
Chords and theory
For changing key and moving chord progressions.
FAQ
Which tool should I use for tuning?
Start with the universal tuner, or choose a specific instrument page if you want exact reference notes.
Does TuneUniversal record microphone audio?
No. Tuner audio is analyzed locally in your browser with the Web Audio API.
Do the tools work on mobile?
Yes. They work in modern mobile browsers when audio and microphone permissions are available.