320,000 x 320,000 is the highest resolution NFT. None of it will work. The version that can be downloaded doesn't do anything; it's just there as a kind of bonus.
If you buy this, you'll get a 102.4-gigapixel black square that you can't see on any device that's currently available.
Browsers and mobile devices typically stop working when the size of the screen surpasses 30,000 pixels. Even while Windows will build a thumbnail and offer a low-resolution preview in its Photos program, it will suck up all the system's RAM in the background and then display an error message.
How did this image get to be so large? It definitely was done an any normal picture editor. At around 80,000 x 80,000 resolution, this is no longer practicable. So the person who made this huge PNG file carefully changed it in a hex editor.
Check out the Scuffed Skunkworks series on OpenSea on May 27th, 2022, to get your hands on the only NFT of its kind!