Change Audio Speed

Drop an audio file and make it faster or slower, from quarter speed to four times faster, without chipmunk voices.

Your file stays on your device. Nothing is uploaded.

Change Audio Speed in three steps

1.

Drop your audio

Up to 500 MB.

2.

Pick a speed

0.25x to 4x.

3.

Download

Same format, new speed.

Faster, at the same pitch

Works with MP3, WAV, M4A, OGG, FLAC and AAC.

The tempo changes but the pitch stays, so voices sound natural sped up or slowed down. 1.25x to 1.5x tightens a voiceover; 0.75x helps you transcribe or learn a fast part of a song.

Caption your videos in minutes

Animated, word-synced captions in the styles top creators use. Upload a video, pick a style, fix any word, and export.

Frequently
Asked Questions

Will voices sound high-pitched?

No, the pitch is kept.

What speeds can I pick?

0.25x, 0.5x, 0.75x, 1.25x, 1.5x, 2x, 3x or 4x.

Is my file uploaded?

No. It's processed in your browser, on your own device, and never leaves it.

Related tools