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Free ICO to PNG Converter Online - Convert Windows Icons to PNG

Convert ICO icons to PNG format instantly in your browser. Extract icon images from Windows ICO files with transparency support and multiple resolutions.

Browser Native
Privacy First
Free Tool

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How It Works

Transform your ICO files to PNG format using our advanced browser-based converter. The process begins by analyzing your ICO file structure and extracting the embedded icon images using optimized ICO decoding algorithms. ICO files often contain multiple resolution variants (16x16, 32x32, 48x48, etc.), and our converter selects the highest quality version available. The extracted image is then processed through our advanced color management system and re-encoded into PNG format with lossless compression for optimal quality preservation. All processing happens locally in your browser - no uploads, no server processing, complete privacy guaranteed.

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Convert toPNG

avif → pngbase64 → pngbmp → pnggif → pngjpeg → png
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Key Features

  • No file uploads required - works offline
  • 100% privacy focused - client-side processing
  • Browser powered - no software installation
  • Fast processing - WebAssembly technology
  • Free forever - no premium accounts

Supported File Formats

.ico

Output Format: PNG

Technical Specifications

input Format ICO (Windows Icon Format)
output Format PNG (Portable Network Graphics)
compression Type Lossless compression format
quality Retention 100% lossless quality preservation
color Space Support sRGB, indexed color, alpha transparency
max Resolution Dependent on source ICO resolution
processing Time 1-2 seconds per image

Key Benefits

  • Perfect quality preservation with lossless compression
  • Full transparency support with alpha channels
  • Universal compatibility across all platforms and devices
  • 100% privacy with local browser processing
  • Automatic high-resolution extraction from multi-size ICO files
  • No file size limitations or conversion quotas
  • Preserves all color information and transparency data

Common Use Cases

  • Extracting favicons from websites for design reference
  • Converting Windows icons for cross-platform applications
  • Creating icon sets for mobile app development
  • Modernizing legacy icon collections
  • Icon design and editing workflows
  • Web development favicon optimization
  • Digital asset conversion for design systems

Pro Tips

  • ICO files often contain multiple sizes - our converter picks the best one
  • PNG format is perfect for icon editing in design software
  • Use PNG favicons for modern web development projects
  • Converted PNGs maintain perfect transparency for overlays
  • Ideal for creating consistent icon libraries across platforms

Frequently Asked Questions

Converting from ICO to PNG provides several key benefits: Universal compatibility across all platforms; Better transparency support with alpha channels; Higher color depth support; Easier editing in image software; Modern web standard format; Perfect for favicon extraction and icon design workflows.
No quality loss occurs during ICO to PNG conversion. PNG uses lossless compression, preserving all original image data perfectly. Our converter automatically selects the highest resolution variant from the ICO file, ensuring you get the best possible quality output.
ICO files typically contain multiple resolution variants (16x16, 32x32, 48x48, 64x64, etc.). Our converter automatically detects all available sizes and extracts the highest resolution version for the best quality PNG output. This ensures you get the sharpest, most detailed result possible.
Absolutely! Our ICO to PNG converter prioritizes your privacy and security. All conversion happens locally in your browser using native canvas APIs and JavaScript - your files never leave your device. No uploads to external servers, no data collection, no file storage. The conversion process is entirely client-side, ensuring your ICO files remain completely private and secure.
Currently, our converter processes one ICO file at a time to ensure optimal performance and reliability. However, the conversion process is very fast, typically completing in seconds, so you can quickly convert multiple files in succession.
ICO to PNG conversion is ideal for extracting favicons for web development, converting Windows icons for cross-platform use, creating icon sets for mobile apps, editing icons in design software, and modernizing legacy icon collections for contemporary applications.
While ICO remains the traditional favicon format with excellent browser support, PNG favicons offer better compression, wider compatibility with mobile devices, and easier creation workflows. Modern browsers support PNG favicons, making them increasingly popular for web development.
Yes! Once converted to PNG, your icon files can be edited in any image editing software including Photoshop, GIMP, Figma, or online editors. PNG's lossless format and transparency support make it perfect for icon design and modification workflows.