> For AI agents: the complete documentation index is available at /llms.txt, the full documentation bundle is available at /llms-full.txt.

# Apple Touch Icon

When there is an `icon.*` file in the `config` directory at the root of the project, Modern.js will automatically set the file to the [html.appIcon](/configure/app/html/app-icon.md) configuration option for generating the Apple Touch Icon icon under the iOS system.

```
./config
└── icon.png
```

After the build is completed, you can see the following tags automatically generated in HTML:

```html
<link rel="apple-touch-icon" sizes="180x180" href="/static/image/icon.png" />
```

## Order

When setting up the app icon, Modern.js looks for files in the following order:

- `icon.png`
- `icon.jpg`
- `icon.jpeg`
- `icon.svg`
- `icon.ico`