Documentation

Iconfast Documentation

Learn how to use Iconfast to create professional app icons in seconds. Access 200,000+ icons and 2,000+ fonts with real-time customization.

Welcome to Iconfast - a free, browser-based app icon generator designed for developers, designers, and indie hackers who need professional-quality app icons without design expertise.

What is Iconfast?

Iconfast is a fast, simple, and intuitive tool for creating polished app icons. It runs entirely in your browser with 100% client-side processing - no uploads required, and it works offline after the initial load.

Key Features

Two Generation Modes

  • Icon Mode: Start from a library of 200,000+ free icons from Iconify, customize and transform them into polished app icons
  • Font Mode: Use text as the core visual element, choose from 2,000+ Google Fonts to create typography-based icons

Powerful Customization

  • Icon Properties: Adjust size, rotation, position, and color
  • Backgrounds: Solid colors or gradients (linear, radial, angular)
  • Borders: Customizable radius, width, and colors
  • Shadows: Drop shadows and inner shadows with full control
  • Real-time Preview: See changes instantly as you customize

Multi-Platform Export

Export your icons for any platform with pre-configured sizes:

PlatformSizes (px)
Favicon16, 32
iPhone120, 180
iPad152, 167
Android48, 72, 96, 144, 192
Desktop64, 128, 256, 512
App Store1024

Export Formats

  • PNG - Raster format, optimized for each platform
  • SVG - Vector format for scalability
  • ICO - Windows icon format

Why Iconfast?

  • Zero Setup: No signup required, start immediately
  • 100% Free: No watermarks, no premium tiers
  • Privacy-First: All processing happens in your browser
  • Fast Iteration: Real-time preview with instant feedback
  • Platform Complete: Generate for all major platforms in one tool
  • Professional Quality: Production-ready output without design skills

Use Cases

  • Creating app icons for iOS/Android apps before App Store submission
  • Building professional icons for side projects and hackathons
  • PWA icon generation (favicon, multiple sizes)
  • A/B testing different icon variants
  • Rapid prototyping during product development
  • Exploring icon directions during rebranding

Getting Started

Ready to create your first icon? Head to the Overview guide to learn the basics.