Audio Speed Changer

Choose a speed multiplier, resample audio locally, preview the result, and download the processed WAV file.

Choose audio file

Speed

1.25×

Expected duration

—after resampling

Pitch change

—semitones

Choose an audio fileExport uses waveform resampling, so pitch changes with speed. This is not a pitch-preserving time-stretch algorithm.

How to use this Audio Speed Changer

Change audio playback speed and create a faster or slower WAV copy. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.