https://i.imgur.com/p2dQrxT.png
My current bag addon doesn’t handle big mess very well. When I go to the bank, additional tabs are not accessible due to being cut off from the bottom of my screen (and my is fairly large at 1920 tall x 2560 wide) and since the bag UI is not resizeable, I can’t make it wider to make it not so tall and reveal the missing tab so can someone suggest a nice bag addon that does pay attention to screen size and keeps the UI from getting cut off.
what’s wrong with the default bag ui D:
Bagnon let’s you scale it by rows and % size so you can see all the things, can also move it wherever.
If you’re willing to spend some time with configuration ArkInventory is a good choice if you want to be able to categorize stuff like in your screenshot.
Arkinventory is awesome, except that it’s the ElvUI of bag mods. Less of a tool and more of a minigame.
But once you get it configured the way you like it, 
Two recent entries into the bag business that might be worth a look
https://www.curseforge.com/wow/addons/baganator
and:
https://www.curseforge.com/wow/addons/better-bags