PNG to ICO converter
Turn a PNG into a proper multi-size .ico favicon file. Processed entirely in your browser.
Drop your PNG image here
Ideally a square image, at least 256×256px
Maximum file size: 5MB
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Frequently asked questions
- Yes, completely free with no signup or usage limit.
- No. The ICO file is built directly in your browser.
- 16×16 and 32×32 cover browser tabs; 48×48 and larger cover desktop shortcuts and app icons. Including all of them keeps one file working everywhere.
- A square PNG at least 256×256px works best, since every smaller size is generated by downscaling it.