App Icon Generator — Free iOS, Android, Flutter & Web Icon Tool

Professional, free online tool to generate iOS, Android, Flutter, React Native, and Web app icons instantly. Upload your logo, customize backgrounds and shapes, download all required sizes. 100% browser-based, no signup, no watermarks.

The Ultimate App Icon Generator: Create Professional Icons for Every Platform

Welcome to the most comprehensive, privacy-first App Icon Generator available online. Whether you are building for iOS, Android, or the Web, our tool streamlines your design workflow by generating every required icon size in seconds.

Why Professional App Icons Matter

In the competitive world of the App Store and Google Play, your icon is the first thing potential users see. It is your brand's face on their home screen. A high-quality, perfectly sized icon communicates professionalism, reliability, and attention to detail.

Comprehensive Platform Support

Our generator stays up-to-date with the latest requirements from Apple and Google.

  • iOS 18 & iPadOS: We generate all 37 required sizes, including the large 1024x1024 App Store icon, spotlight icons, and settings icons.
  • Android 15: Support for all density buckets from mdpi to xxxhdpi. We provide standard and adaptive icon formats.
  • Web & PWA: Generate favicons for all modern browsers and manifest-compliant icons for Progressive Web Apps.
  • Cross-Platform Frameworks: One-click generation for Flutter and React Native icon packs.

Privacy-First Architecture

Unlike other online generators, we value your privacy. All image processing happens locally in your browser using the Canvas API. Your source designs never leave your computer, ensuring your intellectual property remains secure.

Advanced Customization Features

Don't just resize—design. Our tool offers:

  • Shape Optimization: Choose between square, rounded, or circular shapes.
  • Dynamic Backgrounds: Apply solid colors, beautiful gradients, or maintain transparency.
  • Precise Padding: Adjust the scale of your logo within the icon frame for perfect alignment.
  • Corner Radius Control: Fine-tune the roundness of your icons to match your brand's aesthetic.

How to Use the App Icon Generator

  1. Upload: Drag and drop your high-resolution logo (PNG, JPG, or SVG).
  2. Customize: Use our real-time preview to adjust background, shape, and padding.
  3. Download: Click "Download All Icons" to receive a structured ZIP file containing every size you need.

Frequently Asked Questions

What is the best size for a source image? We recommend uploading a square image of at least 1024x1024 pixels.

Is there a cost to use this tool? No, our tool is 100% free with no registration required and no watermarks.

Does it support SVG? Yes, we support SVG for crisp, resolution-independent scaling.

Last Updated: May 2026 by the AppIconGenerators Team.