Change Audio Speed 0.25× to 4× while voices stay natural
Choose file
or drop it here — never uploaded
Runs entirely on your device— verify in your network tab: zero uploads.
Speed up a lecture to 1.5×, or slow down audio to half speed to learn a guitar solo — with the pitch untouched, so voices don't turn into chipmunks. This change audio speed tool covers 0.25× to 4× with a pitch-preserve toggle, processing everything locally.
How it works
- 1Drop your audio file.
- 2Set the speed factor; keep 'Keep pitch' on for speech and practice, off for creative pitch effects.
- 3Preview A/B and export.
FAQ