Audio · Audio

Reverse Audio

Create a backwards version of a supported audio file with FFmpeg WASM.

Processed locally

FFmpeg loads only when processing starts

Reverse Audio

Drop an audio file here. V1 limit: 50 MB.

Files are processed in your browser with FFmpeg WASM. The selected file is not uploaded to Tool2Do, but FFmpeg core code is downloaded on demand for this tool.

Share this tool

Share the page, not your private inputs.

How to use this audio tool

Create a backwards version of a supported audio file with FFmpeg WASM.

How the audio logic works

Choose an audio file.
Start processing.
Preview and download the reversed WAV output.

Formula

FFmpeg applies the areverse audio filter.

Example

Reverse a short sound effect for creative editing.

Using the audio result

Use the output as a practical starting point, then review it before using it in an important workflow.

Assumptions and limitations

Large files can take time in the browser.
The output is WAV in this V1.

Frequently asked questions

Does this require an account?

No. The core tool works without creating a Tool2Do account.

Is my input included in share links or analytics?

No. Tool2Do share actions use the tool page URL and safe metadata, not private values or uploaded files.