Change Audio Speed
Speed up or slow down audio with time-stretch.
What This Tool Helps You Do
Change Audio Speed helps you speed up or slow down audio with time-stretch. It is designed for creators editing clips, podcast takes, ringtones, voice notes, and reference audio who need audio speed, time stretch, and playback speed without switching into a heavier toolchain than the task actually requires.
These tools cover trimming, conversion, cleanup, loudness changes, and simple audio experiments without a full DAW. On this page, the focus is audio speed and time stretch. For this tool, the main processing happens in your browser tab and the output is prepared on the same device. That makes it a better fit for quick edits, conversions, cleanup, and review work that should stay close to the source file or pasted data.
Best For
Recommended Workflow
Add the file or files you want to work with, then confirm the specific source content for this task.
Tune the available inputs and settings so change audio speed produces output that matches your workflow instead of a generic default.
Preview the result from change audio speed, then copy, download, or export the finished output for the next step in your workflow.
Processing and privacy
For this tool, the main processing happens in your browser tab and the output is prepared on the same device. That makes it a better fit for quick edits, conversions, cleanup, and review work that should stay close to the source file or pasted data.