Change Speed
Upload audio or video and change the playback speed from 0.25x to 3x. Preview at the selected speed and export the result. Works with all common formats. Browser-based.
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About Change Speed
Speed up or slow down audio and video files with FastConvert's Change Speed tool. Adjust playback from 0.25x to 3x speed. Preview at the selected speed before exporting. Works with all common audio and video formats. Processed entirely in your browser.
Frequently Asked Questions
What speed range is available?
You can adjust speed from 0.25x (slow motion) to 3x (fast forward).
Does it work with both audio and video?
Yes. Upload either audio or video files to change their speed.
Does it change the pitch?
Speed changes affect pitch proportionally. Faster playback raises pitch, slower lowers it.