---
title: "Audio Format Converter"
description: "Convert audio between MP3, WAV, and more in the browser."
keywords:
  - audio converter online
  - mp3 to wav
url: "https://www.pixeltable.com/tools/audio-converter"
---

# Audio Format Converter

Convert audio between MP3, WAV, and more in the browser.

Free online tool by Pixeltable. Run it at https://www.pixeltable.com/tools/audio-converter (interactive, no sign-up).

## Features

- Client-side ffmpeg.wasm
- No upload required
- Free

## FAQ

### Is this free?

Yes, processing happens locally in your browser.


## Fact sheet

Last updated 2026-09-23.

| Fact | Value |
| --- | --- |
| Modality | Audio |
| Inputs | Audio file kept in the browser |
| Outputs | Converted audio file |
| Computed column | In-browser ffmpeg.wasm; the file never becomes a Pixeltable column |
| What updates | Nothing is stored. Each conversion runs locally in the browser. |
| Canonical doc | [ffmpeg.wasm](https://github.com/ffmpegwasm/ffmpeg.wasm) |

```python
# ffmpeg.wasm converts the file in the browser.
# The file is not uploaded and this tool does not create a Pixeltable table.
```