Rubber Band audio engine

Perfect Pitch/Time/Tempo

Professional-grade time stretching, pitch correction, and tempo matching for tracks that are close but not perfectly aligned. Many DAWs use similar algorithms.

Time stretching Pitch shifting Tempo matching Combined processing

Render Alignment

Track to align

Instrumental / reference track

Output title

Duration change

100%

Source BPM

Target BPM

Pitch shift

0 st

Fine tune

Transient handling

Upload a track to hear the preview.

Preview updates automatically as settings change. Final renders stay available in your Library for 45 days.

Download WAV

Typical Use Cases

Fixing Suno mixesLine up a solo, hook, ad-lib, stem, or loop with the track that almost worked.
DJ and beat matchingMove between BPM targets without forcing pitch drift.
Practice and transcriptionSlow playback while preserving pitch, or transpose without changing duration.
Sample and loop editingMatch timing and key before arranging or chopping.
Speech and media playbackRender clean speed and pitch changes for spoken audio.

Recent Renders

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