Streaming in reference-pitch harmony
Your music.
In 432.
Upload your library, stream it anywhere, and retune with the same restrained 399-440 Hz reference standard.
Drag the slider to explore tunings from 399–440 Hz — hear it live through the polyphase resampler.
Signal path
Built for repeat listening
A premium library flow: upload once, retune live, keep the playback experience quiet and exact.
Upload
Drag and drop your music files. MP3, FLAC, WAV, M4A, OGG, OPUS.
Retune
Our polyphase resampler retunes your music to 432 Hz in real time, right in your browser.
Listen
Stream from any device. Your library syncs everywhere. Adjust the reference pitch live.
Sound that aligns you
Most pitch-shifting tools use cheap playback rate tricks that smear transients and add artifacts. 432Tune uses a 64-tap Kaiser-windowed polyphase sinc resampler to retune your music with zero compromise.