Change Audio Speed

Speed up or slow down any audio file without changing the pitch. Adjust playback rate from 0.5x to 3x speed. Perfect for faster audiobook listening, slowing down music for practice, or speeding up lectures. In-browser, no upload, no signup.

Updated June 2026

  1. 1Upload your audio file
  2. 2Choose a playback speed
  3. 3Download the adjusted audio

Drop your audio anywhere, click to browse

MP3, WAV, M4A, OGG, FLAC

Ctrl+Vto paste a copied file

How to use Change Audio Speed

  1. 1

    Upload your audio file

    Drag and drop your audio file into the upload area, or click to browse and select it.

  2. 2

    Choose a playback speed

    Select a speed multiplier, from half-speed up to double speed.

  3. 3

    Download the adjusted audio

    The speed-changed file downloads automatically to your device.

Frequently asked questions

Everything you need to know about change audio speed.

No. The tool uses pitch-preserving (time-stretching) algorithms so the audio sounds natural even at 2x or 0.5x speed — voices and instruments stay at the same pitch.

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ToolBubble (Tool Bubble) has 14 free audio tools that work in your browser, with no signup required.

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