Audio Editors / Speed Changer
Slow Down Audio Online Free
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CleanAudio slows audio online so you can practice songs, follow fast podcasts, or review dialogue at a lower speed. Upload a file, reduce speed, preview, and download in your browser.
Speed up or slow down any audio file while keeping natural pitch. Perfect for practice tracks, podcasts, and voiceovers.
Change Playback Speed Without Distortion
Our free audio speed changer uses high-quality tempo processing so you can accelerate lectures, slow practice songs, or tighten podcast pacing, without the classic chipmunk effect.
From 0.5x to 2.5x in Seconds
Dial the exact tempo you need, preview the result, and download MP3 or WAV. Creators use it for time-stretched voiceovers, musicians for slow practice, and editors for quick pacing fixes.
Perfect for Practice, Podcasts & Lessons
Slow a solo to learn it, speed a draft narration for review, or compress long takes for social cuts. One upload, one slider, one download.
How to Slow Down Audio Online?
Reduce playback speed in three steps.
1
Upload your fileSupport for MP3, WAV, M4A, and more.
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2
Choose the speedSet any tempo from 0.5x to 2.5x.
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Slow Down Audio FAQ
Yes. Upload the MP3 to CleanAudio, lower the speed, preview, and download the slower version.
Preview the result. If you need pitch held separately, use the pitch changer after or instead of a large speed change.
Yes. Many players slow tracks to learn parts. Export a practice-speed clip from CleanAudio.
Yes. The same speed workspace can increase or decrease tempo. See also /speed-up-audio.
Ready to Slow Down Your Audio?
Speed up lectures or slow practice tracks online with free tempo control.
Start Slowing Audio