IMAGE FORMAT GUIDE

ICO Converter

ICO is used for favicons and app icons, so size variants and transparency are important. Favicons and app icons for websites. ICO output uses a real multi-size browser encoder with PNG payloads for favicon packages.

ICO conversion routes

This hub links ICO to the full image conversion matrix: convert from ICO to other formats, or convert other image formats into ICO when supported.

  • ICO to JPG - Convert ICO images to JPG for compatibility, file size or workflow needs.
  • ICO to JPEG - Convert ICO images to JPEG for compatibility, file size or workflow needs.
  • ICO to PNG - Convert ICO images to PNG for compatibility, file size or workflow needs.
  • ICO to WEBP - Convert ICO images to WEBP for compatibility, file size or workflow needs.
  • ICO to JFIF - Convert ICO images to JFIF for compatibility, file size or workflow needs.
  • ICO to PDF - Package ICO images into PDF documents with the document module.
  • ICO to AVIF - Convert ICO images to AVIF for compatibility, file size or workflow needs.
  • ICO to GIF - Convert ICO images to GIF for compatibility, file size or workflow needs.
  • JPG to ICO - Build a multi-size ICO favicon from JPG artwork for browsers and bookmarks.
  • JPEG to ICO - Build a multi-size ICO favicon from JPEG artwork for browsers and bookmarks.
  • PNG to ICO - Build a multi-size ICO favicon from PNG artwork for browsers and bookmarks.
  • WEBP to ICO - Build a multi-size ICO favicon from WEBP artwork for browsers and bookmarks.
  • JFIF to ICO - Build a multi-size ICO favicon from JFIF artwork for browsers and bookmarks.
  • PDF to ICO - Build a multi-size ICO favicon from PDF artwork for browsers and bookmarks.
  • AVIF to ICO - Build a multi-size ICO favicon from AVIF artwork for browsers and bookmarks.
  • GIF to ICO - Convert static GIF files to ICO; animated files are detected and blocked until animation-preserving export is available.

ICO support notes

Browser support, metadata, transparency, animation, document structure and color profiles vary by format. ImageConvert marks each route as live browser conversion or advanced-engine work so the page remains accurate even before every long-tail engine is implemented.