A `manifest.json` file provides metadata about your web application. It tells the browser how your app should behave when installed on a mobile device or desktop, including its name, icons, and theme colors. This is essential for Progressive Web Apps (PWA).

iOS devices look for a specific `apple-touch-icon.png` when users add your site to their home screen. This generator creates the standard 180x180 size which works for all modern iPhones and iPads.

While modern browsers prefer PNG icons (and SVG), `favicon.ico` is still required for legacy support and is often the first file requested by browsers and bots. We generate a multi-resource ICO file or a compatible PNG-based ICO.