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Icon Generator

Enterprise-grade PWA Asset Manager. Generate 45+ standard icons, favicons, and manifests for iOS, Android, Windows, and Web from a single source file. Features smart cropping, instant previews, and automated HTML tag generation.

User Rating 0.0 ★★★★★
Total Usage 5 times
Category Graphic Generators
1. Source Asset
⇩

Drop high-res logo here

SVG or 1024x1024 PNG recommended

2. Design Adjustments
3. App Manifest
New Tab
https://your-website.com
Website Content
Desktop Browser (Favicon 16px/32px)
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About

In modern web development, a "favicon" is no longer just a 16x16 pixel square. To provide a native-app-like experience, developers must strictly adhere to the diverse asset requirements of Apple, Google, Microsoft, and the W3C. A missing or improperly formatted icon can lead to low-resolution shortcuts, rejected store submissions, or the browser ignoring the Progressive Web App (PWA) manifest entirely.

This PWA Asset Manager is engineered to solve the fragmentation of device standards. Unlike basic resizers, it employs a smart-centering algorithm and high-fidelity Lanczos-like downsampling (simulated via stepped canvas reduction) to preserve logo clarity at small sizes. It generates a comprehensive suite of over 40 assets, including the critical manifest.json configuration file and the necessary HTML <head> tags, ensuring your application looks professional on every platform from a 4K desktop monitor to an Apple Watch.

favicon-generator pwa-assets app-icon-maker android-studio ios-guidelines manifest-json web-development

Formulas

To ensure icons remain sharp when scaled down from high-resolution sources (e.g., 1024px to 16px), direct interpolation often causes aliasing or blur. The optimal approach involves preserving the aspect ratio R while calculating a centered fit within the target bounding box B.

Scale = min{
Wtarget − 2PWsrcHtarget − 2PHsrc

Reference Data

PlatformAsset NameDimensionsTech Spec
Web Corefavicon.ico32×32Legacy Support (IE)
Web Modernfavicon-32x32.png32×32Desktop Retina
iOS (iPhone)apple-touch-icon.png180×180No Transparency allowed
iOS (iPad Pro)apple-touch-icon-167x167.png167×167High DPI Tablets
Android PWApwa-192x192.png192×192Launcher Icon
Android Splashpwa-512x512.png512×512Splash Screen / Store
Android Maskablemaskable-icon.png512×512Safe Zone: 410px diameter
Windows 10/11mstile-150x150.png150×150Start Menu Tile
Apple Watchapple-icon-1024.png1024×1024App Store Marketing

Frequently Asked Questions

Apple's iOS design guidelines mandate that Home Screen icons must be opaque. If you provide a transparent PNG, iOS will fill the transparent areas with a default black color, often ruining the aesthetic. This tool allows you to set a "Matte" background color to prevent this issue.
Adaptive Icons on Android can be displayed as circles, squares, or squircles depending on the user's device theme. A "Maskable" icon has a safe zone (the inner 80% radius) where the main logo resides, ensuring it doesn't get cut off when the OS applies a mask.
The zip archive contains over 40 distinct image files, including high-resolution marketing assets (1024x1024) required by App Stores. While web favicons are small (KB), store assets can be significantly larger (MB).
Yes. The generated manifest includes the standard "short_name", "name", "icons", "start_url", "display", and "theme_color" fields required by Trusted Web Activity (TWA) wrappers and Chrome PWA installation criteria.
Absolutely not. This is a client-side application. The resizing, processing, and compression are performed entirely within your browser's memory using the HTML5 Canvas API and Web Workers.