Change the playback speed of audio.
Audio is processed in your browser. The selected audio file is not uploaded to the TechWeb365 server by this plugin.
How to use this tool
- Select an audio file or record a clip.
- Adjust the available settings.
- Preview and download the result.
Frequently asked questions
Is this tool free?
Yes. No account or paid API is required.
Are my files uploaded?
Processing happens in the browser, though your browser may ask for microphone permission for recording.
Why might a file fail?
Browser audio decoding support varies by format and device. Very large files can use substantial memory.
Related audio tools
Audio Recorder · Audio Trimmer · Audio Speed Changer
Audio Speed Changer
Choose a file to begin.
Audio processing runs locally. WAV output may be larger than the original file. Format support depends on your browser.