ICO Converter
Convert PNG or JPG images to a multi-size .ico icon online for free — pick the sizes you need. Perfect for favicons. Runs entirely in your browser.
100% private — runs entirely in your browser. Your files never leave your device.
Builds a multi-resolution .ico with PNG-encoded frames (supported by modern browsers and
Windows Vista+). Great for favicons and app icons. Everything runs in your browser — nothing is uploaded.
How to use the ICO Converter
- Drop a PNG or JPG, or click to choose.
- Tick the icon sizes you want (16–256px).
- Preview the generated icons.
- Download the multi-size .ico.
What you can use it for
- Create a favicon.ico for your website
- Make Windows app and shortcut icons
- Bundle multiple sizes in one file
- Convert without uploading your image
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Editing images?
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See all free image tools →Frequently asked questions
What sizes should I include?
16, 32 and 48 px cover most favicon uses; add 64–256 for high-DPI displays and app icons. You choose which to bundle.
What image should I upload?
A square PNG (with transparency) gives the best result; other images are centered and scaled to fit.
Is the .ico compatible with Windows?
Yes — it uses PNG-encoded frames, supported by modern browsers and Windows Vista and later.
Is my image uploaded?
No — the icon is built entirely in your browser.