Audio Pitch/Speed Shifter

Source Audio

Drop an audio file here, or click to browse.
WAV · MP3 · OGG · FLAC · M4A · WebM

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Processing runs entirely in your browser with the Web Audio API — the audio never leaves this page.

Tape (linked) Independent

Speed — pitch & tempo together1.00×

Tape effect: faster playback raises pitch, slower lowers it. Equivalent to a vari-speed deck.

Tempo — speed only (pitch preserved)1.00×

Pitch shift — semitones+0 st

Fine tune — cents+0¢

Pitch is shifted without changing tempo, and tempo without changing pitch, via granular time-stretching + resampling.

Load a file, tune the parameters, then press Process to render the result. Export writes a 16-bit PCM WAV of the rendered audio.

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