⏩ Free · No signup · No watermark

Change Audio Speed Online — Keep Original Pitch

Speed up or slow down audio without changing its pitch.

Free to try · No signup · Files kept private

Max 100 MB. Files are processed and not stored permanently.

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See it in action

The same clip before and after this tool.

Before
Loading Please wait, loading audio...
After
Loading Please wait, loading audio...

How it works

1

Upload your file

2

Adjust the settings

3

Download the result

Frequently asked questions

Does changing speed change the pitch?

No. This tool preserves the original pitch, so a slowed track does not sound deeper and a sped-up track does not sound like a chipmunk.

Automate it

Every tool here is also available to AI assistants and developers via our MCP server and REST API.

MCP server API docs

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