Change Audio Speed Online
Speed up or slow down any audio file. Adjust playback speed from 0.25x to 4x with optional pitch correction.
Features
Speed range from 0.25x to 4x
Optional pitch correction
Supports all audio formats
Preview at new speed
Export as WAV
How to Use
- Open the Speed Changer tool
- Upload an audio file
- Adjust the speed slider (0.25x to 4x)
- Toggle pitch correction if needed
- Preview and download the result
FAQ
Does changing speed affect pitch?
By default, changing speed also changes pitch (like a record player). Enable pitch correction to keep the original pitch.
What is pitch correction?
Pitch correction adjusts the audio so the pitch stays the same even when speed changes. Useful for podcasts and music.
Can I speed up podcasts?
Yes, 1.5x or 2x speed is popular for podcasts. Use pitch correction to keep voices natural.
Is this free?
Yes, completely free with no usage limits.