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How to Change Music Audio Speed

Step 1. Load your audio file (.mp3, .wav, .ogg) into the music speed changer app.

1. Music Speed Changer - Select File

Step 2. Click and drag across the waveform to select one or more sections of music.

2. Music Speed Changer - Select Audio Sections

Step 3. Use the tempo and pitch sliders to change the speed and pitch of the audio.

3. Music Speed Changer - Change Speed and Pitch

Music Speed Changer

Real time web based audio processing from your pc, mobile or apple device – free!


Slow down and speed up your music audio without altering the pitch to perfect that tricky song section. Simply add your audio file (mp3, wav or ogg) to the music speed changer app, set your tempo and hit play. This free web app works in your browser, so you can get started straight away!


Change the pitch of your music to match the tuning on your guitar. Select an audio section to work on, then change the pitch using the slider – no need to retune to play along to your favourite songs!


Easily create audio loops to work on a section of music. Click and drag your mouse across the waveform to highlight one or more areas, then change the audio speed, and/or pitch. Click the loop button to continuously loop your audio section, so you can perfect that guitar lick!

Practice Makes Perfect!

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