PNG to ICO Converter
Convert PNG to ICO online, free. Drop in a PNG (or JPG, WebP, or any image) and build a real multi-size .ico from 16 to 256 px. Download one size or all of them as a ZIP. No sign up, nothing uploaded, it all runs in your browser.
How to convert PNG to ICO
Upload your PNG
Drag in or select a PNG (JPG and WebP also work). A square image makes the cleanest icon.
Pick the sizes
Choose the ICO sizes you need, from 16x16 up to 256x256. Favicons usually want 16, 32, and 48.
Download the .ico
Grab a single size, or download every size you picked as a ZIP. Each file is a real .ico.
Convert PNG to ICO, Every Size in One File
The Pixellize PNG to ICO Converter turns a PNG into a real .ico icon right in your browser, and it also accepts JPG, WebP, and other images. It builds a proper multi-size .ico that holds every resolution you pick, from 16×16 for a favicon up to 256×256 for high-DPI screens. Download a single size, or grab them all as a ZIP.
What is an ICO file?
An .ico is the Windows icon format. Unlike a flat PNG or JPG, one .ico file can store several resolutions at once, so Windows and your browser automatically show the right size for a favicon tab, a taskbar button, or a large desktop shortcut. That is why a real .ico works where a renamed PNG does not.
What icon sizes do you need?
It depends on where the icon appears. This table covers the common ICO sizes and where each one is used, so you know which boxes to tick:
| Size (px) | Where it is used |
|---|---|
| 16 x 16 | Browser favicon, address bar, bookmarks |
| 32 x 32 | Taskbar, window title bar, small desktop icons |
| 48 x 48 | Desktop shortcuts, Explorer medium view |
| 64 x 64 | High-DPI small icons |
| 128 x 128 | App icons and larger previews |
| 256 x 256 | High-DPI desktops, Windows large icons, store listings |
For a website favicon, 16, 32, and 48 px is enough. For a Windows app, add 256 px. One tip from making icons: PNG keeps transparency and JPG does not, so a PNG source gives you a clean icon with no white box behind it. Since everything runs on your device, nothing is uploaded to a server.
Why use this PNG to ICO Converter
Convert PNG to ICO
Turn a PNG into a real .ico icon in one click; JPG and WebP work too.
Every size in one .ico
Pick 16, 32, 48, 64, 128, or 256 px and bundle them into a single multi-size icon.
Single size or ZIP
Download one resolution on its own, or export every size you picked as a ZIP.
Nothing is uploaded
The conversion runs in your browser, so your image never leaves your device.
Keeps PNG transparency
PNG alpha is preserved, so your icon has no white box behind it.
Free, no sign up
No account, no watermark, and no limit on how many icons you convert.
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PNG to ICO Converter FAQ
Common questions about ICO files.
How do I convert a PNG to ICO?
Open the Pixellize PNG to ICO Converter, upload your PNG, and pick the sizes you want. It builds a real multi-size .ico in your browser, then you download one size or all of them as a ZIP. There is no sign up, and nothing is uploaded to a server.
Can I convert PNG to ICO for free?
Yes. The Pixellize PNG to ICO Converter is free with no sign up, no watermark, and no limit on conversions. It runs entirely in your browser, so your PNG files are never uploaded to a server.
Does converting PNG to ICO keep transparency?
Yes. PNG stores an alpha channel and the ICO format supports transparency, so your converted icon keeps its transparent background with no white box. This is why a PNG is the best source for a clean icon.
What sizes should an ICO file have?
A website favicon usually needs 16x16, 32x32, and 48x48 px. For Windows app icons and high-DPI screens, add 256x256. This converter lets you bundle all of those resolutions into one multi-size .ico file.
Can I convert a JPG to ICO too?
Yes. Upload the JPG and pick your sizes. Keep in mind JPG has no transparency, so the icon will have a solid background. For a transparent icon, convert a PNG instead.
What is an ICO file?
An ICO file is the Windows icon format. A single .ico can hold several resolutions at once, from 16x16 to 256x256, so the system shows the right size for a favicon, a taskbar, or a desktop shortcut. It is a real icon container, not a renamed PNG.