Manual Page Search Parameters

GENFAVICONS(1) General Commands Manual GENFAVICONS(1)

genfaviconsGenerate favicons

genfavicons [-format] input [size ...]

genfavicons generates favicons in a variety of sizes and formats. Generated favicons are written to the same directory as the input. When only one size is written to a file, it's size is also encoded in the filename.

By default, it generates the sizes 16, 32, and 48 squared in the ICO format.

The arguments as follows:

format
Output format for favicons. Valid formats are ico, png, and all, the default.
size
The size specifies width and height of a favicon.

The genfavicons utility exits 0 on success, and >0 if an error occurs.

Generate large PNG favicons:

$ genfavicon -png favicon.svg 128 256

Generate an ICO containing small icons:

$ genfavicon -ico favicon.svg 16 32 64

convert(1)

Jacob R. Edwards <jacob@jacobedwards.org>

January 25, 2026 jacob