App Icon Set Generator

Free online icon set generator. Upload one square image and download every size you need for PWAs, Expo / React Native, or Android — with the JSON configs included. Everything runs in your browser.

Favicons, apple touch icon, and PWA manifest icons with a ready-to-use site.webmanifest.

Choose a square source image (1024px+)

App name

site.webmanifest

{
  "name": "My App",
  "short_name": "My App",
  "icons": [
    {
      "src": "/icon-192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "/icon-512.png",
      "sizes": "512x512",
      "type": "image/png"
    },
    {
      "src": "/icon-maskable-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "maskable"
    }
  ],
  "theme_color": "#171717",
  "background_color": "#171717",
  "display": "standalone",
  "start_url": "/"
}

head-snippet.html

<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
<link rel="apple-touch-icon" href="/apple-touch-icon.png" />
<link rel="manifest" href="/site.webmanifest" />