Nov 10, 2018

Online Free FavIcon Generator / Image Editor and wordpress

http://tools.dynamicdrive.com/favicon/
is a good favicon generator.

To add the favicon to your wordpress, put the icon to your root of wordpress installation. And add the line to your header.php of your child theme:
<link href="/favicon.ico" rel="shortcut icon"></link>

For some service, such as blogger, you don't need to generate the favicon by yourself, you just need to a small enough file, such as smaller than 100K, upload it and favicon will be generated from the file.

You can use the online browser-based image editor such as https://pixlr.com/ to create the small file.