Imgur resize shortcuts

Here is the list of all the modifiers for dimensions (not all are always available) :

s =   90×  90 = Small Square (as seen in the example above)
b =  160× 160 = Big Square
t =  160× 160 = Small Thumbnail
m =  320× 320 = Medium Thumbnail
l =  640× 640 = Large Thumbnail
h = 1024×1024 = Huge Thumbnail

https://superuser.com/questions/1238552/how-to-resize-quickly-a-imgur-image