UtilMesh

marketing tools

Image to ICO Converter

Convert one image into a real .ico favicon file with selectable sizes and multi-size bundles.

Select one size for a single-size icon, or combine multiple sizes into one `.ico` file for favicon use.

How to use

Use this browser-based image to icon converter to generate favicon ICO files from a PNG, JPG, or WebP source image.

  1. Upload one square or rectangular image.
  2. Choose one or more favicon sizes to include in the icon file.
  3. Download a single-size or multi-size ICO export.

Best for

  • Website favicon export
  • App icon drafts
  • Quick ICO conversion for uploads

Why the result matters

  • Multi-size ICO files are better for favicons because browsers and systems can pick the most appropriate embedded size.
  • Transparent PNG sources usually produce the cleanest icon edges.

Example inputs

  • PNG logo to favicon.ico
  • Generate 16, 32, and 48px sizes in one file

When to use ICO instead of PNG

Use a real ICO export when you need a traditional favicon file or want one file that contains multiple icon sizes. PNG is still useful for touch icons and manifests, but ICO remains the more reliable browser-tab format.

Typical favicon sizes
16x16: browser tabs
32x32: standard desktop favicon
48x48: legacy and utility surfaces
64x64+: richer previews and app-style surfaces

FAQ

What is a multi-size ICO file?

It is one .ico file that contains several embedded icon sizes, so browsers and apps can choose the best fit.

Which sizes are best for favicons?

A practical favicon set usually includes 16px, 32px, 48px, and 64px. Larger sizes can help for app shortcuts and previews.

Does this upload my image anywhere?

No. The conversion runs in the browser.

Will transparency be preserved?

Yes, if the source image supports transparency, such as PNG or WebP with alpha.