My pixel art looks clear in MS Paint, but becomes blurry wherever I upload it. I have tried saving as .png and .bmp and uploading both, but they are still blurry wherever I try uploading them. I have tried dropbox, google drive, imgur, and deviantart. When I took a screenshot and zoomed in, it looked like the image was anti-aliased at some point (but not by me!).
I mainly wish to upload to deviantart. How can I do this so that the pixel art isn't blurry?