> ## Documentation Index
> Fetch the complete documentation index at: https://docs.trunk.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Oxipng

> Oxipng is an open-source, CLI utility designed for optimizing PNG files. It applies lossless compression techniques to reduce file size.

[**Oxipng**](https://github.com/shssoichiro/oxipng) is a formatter for PNG.

You can enable the Oxipng formatter with:

```shell theme={null}
trunk check enable oxipng
```

## Auto Enabling

Oxipng will be auto-enabled if any *PNG* files are present.

## Links

* [Oxipng site](https://github.com/shssoichiro/oxipng)
* Oxipng Trunk Code Quality [integration source](https://github.com/trunk-io/plugins/tree/main/linters/oxipng)
* Trunk Code Quality's [open source plugins repo](https://github.com/trunk-io/plugins/tree/main)