ToolToUse

Audio / Video

Audio Pitch Shifter

Raise or lower pitch by semitones without changing speed.

Supported formats: MP3, WAV, M4A, OGG, FLAC, AAC. Large shifts sound artificial on vocals. Best for files under about 200 MB; very long files may run out of browser memory on phones.

MP3 · WAV · M4A · OGG · FLAC · AAC

Audio Pitch Shifter

Up to 200 MB
Options

Pressing the process button loads about 32 MB of FFmpeg engine files from unpkg, with jsDelivr as a fallback, then processes your file in your browser. These hosts receive ordinary connection information such as your IP address, not your selected file. The engine is reused while this page stays open; later visits may download it again depending on browser caching. Internet access is needed for uncached resources. Resamples then time-stretches back to the original length.

Pressing the process button loads about 32 MB of FFmpeg engine files from unpkg, with jsDelivr as a fallback, then processes your file in your browser. These hosts receive ordinary connection information such as your IP address, not your selected file. The engine is reused while this page stays open; later visits may download it again depending on browser caching. Internet access is needed for uncached resources. Resamples then time-stretches back to the original length. Large shifts sound artificial on vocals. Best for files under about 200 MB; very long files may run out of browser memory on phones.

Good to know

Frequently asked questions

How do I use it?

Choose your file, adjust the options and press “Shift pitch”. When it finishes, download the result.

How does it work?

Pressing the process button loads about 32 MB of FFmpeg engine files from unpkg, with jsDelivr as a fallback, then processes your file in your browser. These hosts receive ordinary connection information such as your IP address, not your selected file. The engine is reused while this page stays open; later visits may download it again depending on browser caching. Internet access is needed for uncached resources. Resamples then time-stretches back to the original length.

Are there limitations?

Large shifts sound artificial on vocals. Best for files under about 200 MB; very long files may run out of browser memory on phones.

Are my files uploaded?

No. Files are processed on your device and never sent to our servers. No account is needed.

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