PNG to ICO Converter

Build a multi-size .ico file from any PNG — 16×16, 32×32, 48×48, up to 256×256. Standard Windows favicon format.

100% in your browser — files never uploaded.
Sizes
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How to use the PNG to ICO Converter

  1. 1
    Drop your PNG
    Square PNGs work best; non-square get cropped to the cell.
  2. 2
    Pick sizes
    Bundle multiple sizes in one ICO.
  3. 3
    Download ICO
    Drop it next to your HTML as favicon.ico.

About this tool

Builds a standard ICO file (PNG-encoded entries) with the chosen sizes in one file. Windows uses the largest available size for the visible context.

All processing happens in your browser — no upload.

Frequently asked questions

Why multi-size?
Windows / browsers pick the size that matches the context — taskbar (16), folder (32), shortcut (48), tile (256).
Are files uploaded?
No — every step runs in your browser.
Browser favicon?
Modern browsers prefer a PNG favicon. ICO is for legacy / Windows shell.
Commercial use?
Yes — output is yours.
Mobile-friendly?
Yes.

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