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How to change an audio file's sample rate

Resample only when a project, device, or platform requires a specific rate.

Reviewed against current browser behavior and AudioFetcher test fixtures on July 28, 2026.

Steps

  1. 1

    Identify the source and required destination rate.

  2. 2

    Choose the audio file.

  3. 3

    Select 16, 22.05, 44.1, 48, or 96 kHz.

  4. 4

    Create the WAV and verify it in the destination workflow.

Before you start

  • Upsampling does not create new detail.
  • Repeated resampling should be avoided.
  • Match 48 kHz for common video projects.

Work from a copy, keep the original, and verify the downloaded result before removing any source file. Browser-local output is temporary until you download it.

Questions about change an audio file's sample rate

What is the short answer to "How to change an audio file's sample rate"?

Resample only when a project, device, or platform requires a specific rate.

Does the linked AudioFetcher tool upload my media?

AudioFetcher's linked local tool processes the selected file in browser memory. It does not upload that media to the AudioFetcher application server.

What is the most important practical point?

Upsampling does not create new detail.

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