Icon specification

If I had to fit my icon to use it on Pinterest it should have a specific format. Here you can find all the dimensions that the icons are expected to be.

Pinterest icon specification

Same for another famous Social Media used mostly for work purposes, LinkedIn. My 32×32 pixels icon wouldn’t fit anywhere on those sites as the size is too small.

linkedin icon specification

Here is the page where I found the information. To see more icon specification of other social media, check out this link: http://www.rocketbuddy.com/zh/archives/tag/media