Change Audio Speed
Speed up podcasts or slow down music tracks without altering the pitch. Processed securely entirely inside your browser for ultimate privacy.
Choose an Audio file
Or drag and drop your file here
Processed securely on your device. No files are uploaded to our servers.
audio.mp3
0 MB • Orig. Duration: 00:00
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Loading Audio Engine
Fetching local processing core...Changing Tempo...
Processing locally...How to Use Change Audio Speed
Speed up long talks or slow down songs to learn them — voices and notes keep their normal pitch.
Add Your Audio
Drop a podcast, lesson, song or video.
Pick a Speed
Choose from 0.5× (half) to 2× (double).
Apply & Download
Save the new MP3.
Range
0.5× – 2×
Pitch
Stays natural
Output
MP3 192 kbps
Works on
Phone & computer
Privacy
Files stay on your device
Price
100% free
What Can You Use It For?
Popular ways people use Change Audio Speed.
Podcasts
Listen in less time at 1.5×.
Learning Songs
Slow down tricky parts.
Language Learning
Slow speech to catch every word.
Videos
Fit audio to a set length.
Tips for the Best Result
- 1.25× – 1.5× is comfortable for most speech.
- Very slow speeds can sound a little echoey.
- Want a different key instead? Use Change Audio Pitch.
Frequently Asked Questions
Quick answers about Change Audio Speed.
No. The pitch stays the same; only the speed changes.
At 2× it's half as long; at 1.5× it's two-thirds.
Yes, down to 0.5× (half speed).
No. Everything is processed inside your browser, so your audio never leaves your device.
The audio engine (about 30 MB) downloads once, then your browser remembers it, so the next files are much faster.
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