True Multi-Size ICO
Pack 16, 24, 32, 48, 64, 128, and 256 pixel versions into one .ico file, the way Windows expects.
Image to ICO
Turn any image into a real .ico file that holds several sizes at once, 16, 32, 48, and more. Free, no signup, nothing uploaded.
Guide
How to convert an image to ICO
1
Select Your Image
Drag and drop an image or click to choose one. A square image works best, but any image is fine.
2
Pick the Sizes
Choose which sizes to pack into the file, from 16 up to 256. The preview updates as you go.
3
Download the .ico
Click Download and save a single .ico file that contains every size you selected.
One ICO File, Every Size You Need
An .ico file is special because it can hold several versions of the same icon at different sizes inside a single file. Windows then picks the right one for the place it shows up, a small 16 pixel version in a list, a larger 48 or 256 pixel version on the desktop. A plain PNG cannot do that, which is why apps and shortcuts use .ico.
This converter builds a real multi-size .ico for you. Drop in an image, choose the sizes you want, and each one is rendered from your image and packed into the file. The preview shows them on a checkered background so you can see exactly how transparency looks at every size.
It all runs in your browser, so your image never leaves your device. Use it for app icons, desktop shortcuts, or anywhere a .ico is required.
Benefits
Why Use Our Image to ICO Converter?
You Pick the Sizes
Include only the sizes you need, each one is rendered cleanly from your image.
Live Preview
See every size before you save, on a checkered background so transparency is clear.
Keeps Transparency
PNG-based icons inside the file keep an alpha channel, so transparent corners stay transparent.
Instant Download
The file is built as you choose sizes, so download is ready right away.
Runs in Your Browser
Your image is converted on your device. Nothing is uploaded, logged, or stored.
Explore More
Similar Tools
More Image tools you might find useful.
FAQ
Frequently Asked Questions
Common questions about ICO files.
What is an ICO file?
It is the icon format used by Windows. One .ico file can store the same icon at several sizes, so the system can show the right one in each place.
How is this different from a favicon tool?
A favicon tool focuses on website icons and extra files. This tool builds a single multi-size .ico from your image, with full control over which sizes go in it.
Which sizes should I include?
16, 32, and 48 cover most uses. Add 256 for high-resolution displays and 24, 64, or 128 if a program asks for them.
Does it keep transparency?
Yes. Each size is stored as a PNG inside the .ico, so transparent areas in your image stay transparent.
What image formats can I use?
PNG, JPG, WebP, GIF, and SVG all work. A square image gives the best result, since icons are square.
Is my image uploaded anywhere?
No. The image is converted entirely in your browser. Nothing is uploaded, logged, or stored on a server.