Speed up or slow down any audio file and export it at the new speed. Choose from preset speeds or use the fine slider for precise control from 0.25x to 4x.
See the original and new duration side by side. Preview the speed change in real time, then export as WAV. Note that changing speed also changes pitch — faster means higher, slower means lower.
Yes. Speeding up raises the pitch and slowing down lowers it — like playing a record at the wrong RPM.
0.25x (very slow) to 4x (very fast). 1.25x–1.5x is popular for podcasts and audiobooks.
Yes. Play the audio at the new speed directly in the browser. Export only when you're happy with the result.