ICO ↔ PNG Converter
Create a multi-size favicon.ico from a PNG, or extract an ICO to PNG
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🔒 Everything runs 100% in your browser. Your files and input are never uploaded to any server.
Feed in a square PNG to create a website favicon.ico in multiple sizes — 16, 32, 48px, and more — all at once. Conversely, you can also pick the largest image inside an ICO file and extract it as a PNG.
How to use
- In the top tabs, choose PNG→ICO or ICO→PNG.
- Select an image; when making an ICO, check the sizes to include.
- Click the Create ICO / Convert button.
- Preview the result and download.
FAQ
- Is my file sent to a server?
- No. ICO creation, analysis, and PNG extraction all happen inside your browser, and your file is never uploaded to a server.
- Which sizes should I include for a favicon?
- Including 16, 32, and 48px together usually looks sharp on most browsers and desktops. If you need high-resolution support, add 64 and 128px as well.
- Can any ICO be opened as PNG?
- Yes — not only ICOs stored internally as PNG, but also traditional ICOs saved as 1/4/8/24/32-bit bitmaps are converted with transparency preserved. Special formats may not be supported.