What is PWA Asset Generator?
PWA Asset Generator is a free tool that helps you create all necessary assets for Progressive Web Apps (PWA) from just one source image. The tool automatically generates favicon.ico, apple-touch-icon, icons in various sizes (16x16, 32x32, 192x192, 512x512...) and a complete manifest.json file. All processing happens client-side, ensuring fast speed and absolute security for your images.
Standard PWA Icon Sizes
The tool automatically generates icons according to PWA and Apple standards, including:
Favicon
favicon.ico (32x32) - Icon displayed on browser tab
Mobile & Tablet
192x192, 384x384, 512x512 - Icons for Android and home screen
Apple Touch Icon
180x180 - Icon for iOS when added to home screen
Various Sizes
16x16, 32x32, 48x48, 72x72, 96x96, 120x120, 144x144, 152x152, 167x167
Manifest.json - The Heart of PWA
The manifest.json file is the most important configuration file for PWA, containing information about:
- •App name (name, short_name) - Displayed when installed
- •Icons - List of all icons with sizes and purposes
- •Theme color - Main color for app bar and address bar
- •Start URL - Launch URL when opening app from home screen
- •Display mode - Display mode (standalone, fullscreen...)
Key Features
Upload HD Image
Supports PNG/JPEG with minimum size of 512x512px for best quality
Multi-size Icon Generation
Automatically resize and create 13+ icon sizes following PWA and Apple guidelines
Auto Manifest.json
Generate standard manifest.json with complete metadata and icon references
Favicon.ico
Create standard favicon.ico for SEO and browser tab display
Client-side Processing
100% browser-based processing, images never uploaded to server
ZIP Download
Package all files into one convenient .zip file
Real-world Applications
PWA Development
Quickly generate assets for Progressive Web App projects, saving hours of manual work
Website Branding
Create professional favicon and touch icons for websites, enhancing brand recognition
Mobile App Landing
Prepare assets for installable web pages that work like native apps on mobile
SEO & UX Benefits
Favicon increases CTR on SERP - Users recognize your website easier
PWA improves Core Web Vitals - Better Google ranking
Apple Touch Icon - Native experience when added to iOS Home Screen
Complete manifest.json - Google indexes and understands your app better
Important Notes
- •Source image should be minimum 512x512px, recommended 1024x1024px
- •Use images with transparent background (PNG) for best results
- •All processing is local, images never uploaded to server
- •ZIP file includes: favicon.ico, icons (13 sizes), manifest.json