Icon Generator
Create custom icons from images online.
Upload an image, crop it into an icon, customize the shape and background, choose the output size, preview the result and download your icon.
Upload Image to Create Icons & Favicons
Drag & drop your image here · Choose Image
16px32px48pxApple192px512pxCreate an Icon Online
A comprehensive, client-side icon generator and favicon synthesizer that generates multi-resolution PNG icons, Windows ICO containers, and complete Apple Touch/PWA packages directly in your browser.
Whether you are launching a new website, building a Progressive Web App (PWA), or deploying an iOS/Android application, providing crisp, pixel-perfect icon assets across all device screens is essential for brand credibility and modern UX standards.
ReducerImage features pure client-side binary encoders: it builds true multi-resolution Windows .ICO files embedding 16×16, 32×32, and 48×48 PNG layers, alongside generating complete PKZIP 2.0 archives containing every standard web and mobile icon size.
Standard Web, iOS & Android Icon Dimensions
Overview of standard icon dimensions, target operating systems, and recommended file formats.
| Icon Asset | Target Dimensions | Target Platform / Browser | Format & Features |
|---|---|---|---|
| favicon.ico | 16×16, 32×32, 48×48 | Desktop Browsers, Windows Bookmarks | Multi-Layer Binary Container (.ico) |
| apple-touch-icon.png | 180×180 px | iOS Safari & iPad Home Screen | Lossless PNG, Squircle Anti-Aliasing |
| android-chrome-192.png | 192×192 px | Android Chrome & PWA Standard | Lossless PNG, Transparent / Maskable |
| android-chrome-512.png | 512×512 px | PWA Splash Screen, App Stores | High-DPI Master PNG Asset |
| favicon-32x32.png | 32×32 px | Modern Web Browser Tabs (HiDPI) | Lossless PNG with Alpha Transparency |
True Binary ICO vs Renamed PNG: Why Proper Encoding Matters
Many basic web tools simply rename a `.png` file to `.ico`. However, legacy browsers, Windows explorer, and certain search crawlers strictly require the genuine binary `ICONDIR` header and 16-byte `ICONDIRENTRY` headers. Our built-in binary encoder constructs a genuine multi-resolution ICO file embedding real 16×16, 32×32, and 48×48 image buffers for 100% universal browser compatibility.
How the Browser Icon Engine Operates
Our multi-resolution icon synthesis pipeline executes in four synchronized steps:
Geometry Framing
Crops source graphics into a 1:1 aspect ratio, applying customizable safe margin padding and rotation.
Shape Masking
Applies anti-aliased square, rounded squircle, or circular clipping masks with transparent alpha preservation.
Multi-Size Resampling
Resamples the master canvas across 16px, 32px, 48px, 180px, 192px, and 512px raster dimensions.
Binary Packaging
Assembles multi-layer Windows ICO containers and compresses all assets into a downloadable PKZIP package.
How to Create Icons & Favicons in 8 Easy Steps
Follow this quick workflow to generate custom icons for any website or app.
Upload Image
Drag & drop your PNG, JPG, WebP, or SVG logo.
Choose Shape
Select Rounded Square, Circle, or Standard Square.
Adjust Padding
Set safe margin padding (0% to 40%) around the icon.
Select Background
Choose Transparent, Solid Color, or Gradient fill.
Fine-Tune Zoom
Adjust zoom, rotation, or flip for perfect framing.
Inspect Gallery
Check live previews from 16px favicon up to 512px.
Copy HTML Code
Copy ready-to-paste <link rel="icon"> header tags.
Download Assets
Download individual PNGs, .ICO, or full .ZIP archive.
Frequently Asked Questions
Answers to common questions about icon shapes, favicon formats, ICO binary files, and PWA icon packages.