Browser Audio Speed Changer

Browser Audio Speed Changer utility for everyday tasks.

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Upload Audio

MP3, WAV, OGG, M4A

Playback Speed1.50x

Preserve Pitch (Preview)

Maintains voice pitch during browser playback.

Note: WAV Export currently embeds the speed change naturally (which shifts pitch). True time-stretching export requires heavy WASM processing.

Local Web Audio API Rendering

No Audio Selected

Upload an audio file to change its speed locally.

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