Change Audio Speed

Slow down or speed up audio from 0.25x to 4x

Max file size: 100MB. Supported formats: MP3, WAV, OGG, M4A
1.0x
0.5x (Slower) 1.0x (Normal) 2.0x (Faster)
Tip: Use 0.5-0.75x for learning or transcription. Use 1.25-1.5x to speed up podcasts and audiobooks. Use 1.5-2.0x for quick reviews.
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Free Online Audio Speed Changer - Speed Up or Slow Down Audio

Why Use Our Audio Speed Changer?

Our audio speed changer is a powerful free online tool that allows you to speed up or slow down audio while maintaining pitch. Whether you need to accelerate podcasts for faster consumption, slow down music for learning, or adjust playback speed for accessibility, our tool makes it easy to change audio speed from 0.5x (slower) to 2.0x (faster).

Simply upload your audio file, adjust the speed using the slider or preset buttons, and click "Change Speed". The pitch remains unchanged, so voices and music sound natural at any speed.

Key Features

  • Flexible speed - From 0.5x to 2.0x (50% to 200%)
  • Pitch preservation - Audio sounds natural at any speed
  • Visual slider - Color-coded speed control
  • Quick presets - 0.5x, 0.75x, 1.0x, 1.25x, 1.5x, 2.0x
  • All formats supported - MP3, WAV, OGG, M4A, and more
  • Free to use - No registration required

How to Change Audio Speed Online

  1. Upload your audio file - Select an audio file (MP3, WAV, OGG, M4A, etc.).
  2. Choose speed - Use the slider or click preset buttons to select playback speed.
  3. Preview speed - See exact multiplier displayed in real-time.
  4. Click "Change Speed" - Our audio speed controller will process your file.
  5. Download - Get your audio with the new playback speed ready to use.

Common Use Cases

  • 0.5-0.75x (Slower) - Learning music, transcription, language learning, accessibility
  • 1.0x (Normal) - Original playback speed
  • 1.25-1.5x (Faster) - Podcasts, audiobooks, lectures, long recordings
  • 1.5-2.0x (Much Faster) - Quick reviews, familiar content, time-saving
Pro Tip: Many people speed up audiobooks and podcasts to 1.25-1.5x to save time without losing comprehension. For learning music or foreign languages, slowing down to 0.75x makes it easier to catch every detail. The colorful slider helps visualize the change - green for slower, blue for slightly slower, yellow/orange for faster, and red for much faster playback!
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