PNG to ICO Converter
Convert a PNG image into an ICO icon file — the format Windows and browsers use for favicons. This tool packs several standard sizes (16×16 up to 256×256) into a single .ico so your icon stays crisp everywhere.
Drop PNG files (or a ZIP of them) here
Convert one, many, or a whole ZIP to ICO — batches download back as a ZIP. Everything runs in your browser; nothing is uploaded.
PNG vs ICO
| PNG | ICO | |
|---|---|---|
| Compression | lossless compression | icon container (PNG entries) |
| Transparency | Supported | Supported |
| Animation | Not supported | Not supported |
| Typical use | logos, screenshots, and transparent images | favicons and Windows app icons |
Frequently asked questions
What sizes are included in the ICO?+
The generated .ico contains 16, 32, 48, 64, 128, and 256 pixel versions, which covers browser favicons and Windows app icons.
Does it keep transparency?+
Yes. ICO supports transparency, so a transparent PNG stays transparent in the icon.
Is this PNG to ICO converter free and private?+
Yes. It is completely free and runs entirely in your browser — your files are never uploaded to any server.
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