⚡

Audio Speed Changer

Change audio playback speed and pitch with professional quality preservation

Change Speed Tempo Control Pitch Preserve

Load Audio File

No file selected

🎵

Click to select audio file or drag and drop

Supports: MP3, WAV, M4A, OGG, FLAC

Speed & Pitch Controls

Playback Speed

1.00x

0.25x (Very Slow) to 4x (Very Fast)

Pitch Adjustment

0.0 semitones

-12 (One octave down) to +12 (One octave up)

Processing Mode

Speed Only Change speed, pitch changes accordingly Preserve Pitch Change speed while keeping original pitch Independent Control Adjust speed and pitch separately

Original Duration

New Duration

Time Saved/Added

Audio Waveform Preview

How to Use Audio Speed Changer

📁

Upload Audio

Select or drag an audio file to modify its speed and pitch

⚡

Adjust Speed

Use sliders or presets to change playback speed from 0.25x to 4x

🎵

Fine-tune Pitch

Adjust pitch independently or preserve it during speed changes

⬇️

Download Result

Process and download your speed-modified audio file

Features

🎛️

Flexible Speed Control

Adjust speed from 0.25x to 4x with precise control and presets

🎼

Independent Pitch Control

Change pitch separately from speed with semitone precision

📊

Real-time Preview

Hear changes instantly and compare with original audio

🔒

Privacy Protected

All processing happens locally - your files never leave your device