Audio Speed Changer

Speed up or slow down audio files — preview and export

🔒 Files never leave your browser
Files never leave your browser

Drop an audio file here or click to browse

Supports MP3, WAV, OGG, AAC, FLAC, WebM

How to Use Audio Speed Changer

Upload audio

Select or drop an audio file.

Set speed

Adjust the speed slider.

Download

Export at the new speed as WAV.

Why Choose AllTools Audio Speed Changer?

  • 0.5x to 3x speed range
  • Live preview
  • WAV export
  • Simple slider control
  • No upload
  • Works offline

Why Use This Tool

  • No file uploads — video processing happens in your browser via WebAssembly
  • Completely free with no watermarks or time limits
  • No account or registration required
  • Supports popular video and audio formats
  • Works on desktop and mobile browsers

Related Resources

Frequently Asked Questions

Does pitch change with speed?
Yes — pitch shifts proportionally. This is a simple speed change, not time-stretch.
Is there a file size limit?
No strict limit. Processing happens in your browser, so capacity depends on your device memory. Most files work smoothly.
Which browsers are supported?
All modern browsers including Chrome, Firefox, Safari, Edge, and Opera on both desktop and mobile.
Can I use this offline?
Yes. Once the page is loaded, the tool works without an internet connection since all processing is local.
Is my data secure?
Yes. Your data never leaves your browser. Nothing is stored on or transmitted to any server.
Does this work on mobile?
Yes. All AllTools tools are fully responsive and work on phones and tablets.

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