Change Audio Speed
Speed audio up or slow it down (0.25x–4x).
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How to Change Audio Speed
- Upload your .mp3, .wav, .flac, .aac, .m4a, .ogg, .wma file.
- Set up the edit exactly how you want it with the live preview.
- Apply the change and download the result.
Frequently asked questions
Is Change Audio Speed free to use?
Yes — Change Audio Speed is completely free on File Master, with no sign-up required and no watermarks added to your files.
Do I need to install any software?
No installation is needed. Change Audio Speed runs entirely in your browser — just upload a file and download the result.
What file formats are supported?
You can upload .mp3, .wav, .flac, .aac, .m4a, .ogg, .wma files and get MP3, WAV, FLAC, AAC, M4A, OGG as output.
Is it safe to process my files with File Master?
Yes. Files are transferred securely and are automatically deleted from our servers after a short retention window.