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Slow Down Audio for Transcription

Slow speech down to make it easier to transcribe by ear.

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Drop files here, or click to browse

MP3, WAV, FLAC, OGG, AAC, M4A, Audio no file size limit

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Your files never leave your device. All processing happens locally in your browser.

Speed up or slow down audio β€” keep the natural pitch (great for podcasts and audiobooks) or shift the pitch. Runs entirely in your browser.

transcription tips

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Slow to 0.75Γ— with natural pitch so you can keep up while typing.

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Useful for fast or accented speech that's hard to catch at full speed.

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Keep pitch natural so words stay recognisable.

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Sensitive recordings stay on your device.

How It Works

1
Choose File
Drop your file into the tool above. It stays entirely on your device β€” nothing is sent to any server.
2
Process
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Download
Get your result instantly. Nothing is stored after you leave the page β€” complete privacy.

Why use ours?

βœ“Completely free β€” no hidden costs, ever
βœ“No account, email, or login required
βœ“Files never leave your device
βœ“No file size limits whatsoever
βœ“No watermarks on any output

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Frequently Asked Questions