How to download favicons from websites
Favicon1 is an icon that is typically used as a small thumbnail when you bookmark a website. This image file has several size options, from 16 by 16 pixels to 192 by 192 pixels. The bigger ones are typically used as App icons on mobile OS or retina display phones.
To download such icon files from website, we can use the following URL tool:
https://www.google.com/s2/favicons?sz=128&domain_url=google.com
which returns a 128 x 128 pixel favicon from Google.com:
The following:
https://www.google.com/s2/favicons?sz=64&domain_url=apple.com
returns a 64 x 64 pixel favicon from Apple.com: