---
title: "Video Format Converter"
description: "Convert video files in your browser with ffmpeg.wasm, zero server cost."
keywords:
  - video converter online
  - convert mp4 to webm
url: "https://www.pixeltable.com/tools/video-converter"
---

# Video Format Converter

Convert video files in your browser with ffmpeg.wasm, zero server cost.

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

## Features

- Client-side conversion
- Private
- Free

## FAQ

### Does my video leave my device?

No, conversion runs entirely in your browser using WebAssembly.


## Fact sheet

Last updated 2026-09-23.

| Fact | Value |
| --- | --- |
| Modality | Video |
| Inputs | Video file kept in the browser |
| Outputs | Converted video 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.
```