Finding larger images

Does anyone know of some sort of website or program that could be used to find a larger version of a particular image? Tineye doesn't work half the time and when it does work, only about two different sizes pop up.

• IQDB Reverse image search across various boorus
• SauceNAO Reverse image search primarily for Pixiv/Nico Seiga/Nijie
• Ascii2D Reverse image search for various Japanese language sites
• Google image search Reverse image search across pretty much everything else on the internet (click the camera icon to use it)

I was going to recommend Ascii2D as well ;p.

Generally though, we uploaders try very hard to find the best and largest version of an image to upload. Most cases of bigger images happen when someone else scans the image months or even years later down the road.