Audio analyzer
Drop a track and read it like a mastering engineer — loudness, peaks, dynamics, key, tempo, spectrum and spectrogram. Nothing leaves your browser.
Open analyzer →in-browser tools
Audio tools
Free tools for making and checking sound — they run entirely in your browser, so nothing is uploaded. Built by people who make tracks, given away like everything else here.
Guitar tuner
Tune by ear or by needle — live pitch detection from your mic, with cents and standard tunings.
Open tuner →Autotune
Sing in, snap to key — real-time pitch correction in the browser, export the take as WAV.
Open autotune →more tools coming · everything here is free & runs locally