ICO is a Windows icon format that can bundle multiple sizes for different contexts.

Which icon sizes do I need for Windows apps?

Use 16, 32, 48 for menus and UI, plus 128/256 for high-DPI displays.

What’s the difference between single-size and multi-size ICO?

A multi-size ICO packs multiple resolutions; single-size contains only one.

Yes, link to the ICO in your HTML head or use the PNGs for modern browsers.

Masks apply rounded corners or a circle while preserving transparency unless a background color is applied.

Icon conversion

Yes, upload a PNG and select sizes and shape.

Files are processed temporarily and removed automatically.

Turn PNG logos into .ico files with multiple sizes for apps, desktop shortcuts, and software.

Multi-size Transparency Rounded or circle

New

Upload a PNG, choose icon sizes and shape, and download a clean multi-size .ico plus optional PNG set.

Create Windows-ready .ico files from your PNG logos. Keep transparency, choose shapes, and include multiple sizes in one icon.

Common Windows icons use 16, 32, 48, and 256 px. Add larger sizes (128, 256) for crisp displays; smaller sizes for menus and shortcuts.

Upload a PNG, pick sizes and shape, set background if needed, then generate. Download the .ico and optional PNG size pack.

What is an ICO file?

An ICO is a Windows icon format that can store multiple sizes in one file.

Can I create icons from any PNG image?

Yes—upload any PNG up to a reasonable size and we’ll generate an ICO.

Is this PNG to ICO converter free?

Yes, with no signup.

Do you keep a copy of my icons?

Files are processed temporarily and cleaned automatically.