Each social network has its own nuances and specifications—especially when it comes to images.
If you don’t tailor your images to each social network, you can run into issues like blurry pixelation or awkward cropping that will diminish the perceived quality of your content.
Following are blog posts from Hootsuite and SproutSocial.
Sprout Social makes social media management, advocacy and analytics software for businesses. Sprout helps brands communicate with customers on social channels, collaborate across teams and measure the effectiveness of their efforts.
Always Up-to-Date Guide to Social Media Image Sizes:
Hootsuite is one of many tools referred to as a “Social Media Management System” or tool. It helps you keep track and manage your many social network channels. It can enable you to monitor what people are saying about your brand and help you respond instantly.
Social Media Image Sizes: A Quick Reference Guide for Each Network: