Audio Speed Adjustment

Adjust audio playback speed while maintaining pitch.

Select Audio File

Drag file here or click to select

Supported formats:

.mp3, .aac, .wav, .ogg, .m4a, .flac, .wma, .opus, .aiff, .ape, .ac3, .amr

Quick Speed Selection

0.5x (Slow)

Ideal for learning and careful listening

0.75x (Slower)

Slightly slower, maintains clarity

1.0x (Normal)

Normal playback speed

1.25x (Faster)

Slightly faster, improves efficiency

1.5x (Fast)

Suitable for quick browsing

2.0x (High Speed)

Maximum 2x speed

Custom Speed (0.5x - 4.0x)

Preserve Pitch (Recommended)

When checked, pitch remains unchanged and only playback speed is adjusted. Unchecking will change both pitch and speed.

Audio Speed Changer - Adjust Audio Speed Online | Toolbox

Change audio playback speed online. Speed up or slow down audio while maintaining pitch. Perfect for podcasts, audiobooks, and music. Free and easy to use.

Adjust playback speed (0.5x - 2.0x)

Maintain original pitch

Support all audio formats

Preview before processing

High-quality output

Fast processing

No quality loss

Privacy protected

Audio Speed Changer - Adjust Audio Speed Online | Toolbox | Toolbox