Audio Speed Changer
Speed up or slow down MP3, WAV and other audio. Free, no sign-up, files stay on your device.
Choose an audio fileor drag and drop a file here
Speed and pitch change together, like playing a record faster or slower.
🔒 100% private — processing happens in your browser. Nothing is uploaded.
How to use the audio speed changer
- Choose an MP3, WAV, M4A, OGG or FLAC file.
- Set the speed from 0.5× (slower, deeper) to 2× (faster, higher) and preview it.
- Click Convert and download the WAV file.
Slow down a song to learn the chords, speed up a lecture or podcast, or create a nightcore or slowed-and-reverb effect. The audio is resampled like a turntable, so the pitch rises when it gets faster and falls when it gets slower. The result is saved as uncompressed WAV for the best quality; convert it to MP3 later if you need a smaller file.