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Below I list a series of Imagemagick commands to generate all the favicon variants that a website can offer to browsers, from a good quality original.

I indicate at the end of the article the 2 conf files to update, as well as a modification of the Hugo theme, which will be useful for all browsers to find their little ones.

(This post was automatically translated with www.DeepL.com/Translator)

I describe in this article 4 methods to fill the empty areas of an image when enlarging it, a basic technique, and 3 based on the initial image, for a more natural filling. At the end of the article, I give a shell script to generate the 4 versions for a given image.