With so many different formats of images on Facebook it can be tricky to know exactly what sizes to use for each image type. Using the wrong sizing can really disrupt the message you are trying to send. The last thing you want is a stretched or pixelated image attached to an Ad you are putting money behind. Use this infographic to remember what the optimum size is for each different type of image.
If text is more your speed here’s a handy list of all the information above.
Facebook Posts and Ad DimensionsPage Post Link and Offer
Text: 90 Characters
Link Title: 25 Characters
Thumbnail Aspect Ratio (except sidebar): 1.91:1
Recommended Thumbnail Upload Size: 1200×627 px
Timeline News Feed Thumbnail Display: 400×209 px
Sidebar Thumbnail Display: 100×72 px
Permalink Thumbnail Display (Desktop): 400×209 px for Link Post, 588×305 px for Offer