Lately, I've been aiming for 768x1024 images that are ~300 KB with my comic pages. JPEGs have a reputation for turning images into JPEG soup, but at high qualities don't look nearly as bad you'd expect, so those are also worth a shot, I think. Maybe I'm old-school, but I usually feel that when both axes of webcomic page images get into the quadruple digits, something went terribly wrong :p …regardless, though, for uploading a webcomic online, I think you should be reducing the resolution of your image enough for this to not really be a problem.įor final webcomic image size, instead of thinking about DPI, I think you should be thinking about how many pixels wide/high the output image is.ĭifferent people have different preferences here. GIMP), others have different defaults, and I think others do just simply save PNGs a bit differently on top of that-which is why taking a PNG from one program and saving it as another can produce a different, and often smaller, file. Some art programs let the user specify the PNG compression level (e.g. PNGs can actually have multiple levels of compression quality, similar to JPEGs-but since PNGs are lossless (designed to never reduce the visual quality of your image), this isn't obvious. Different programs save PNG files slightly differently, which can make identical looking PNGs different file sizes.

Firealpaca resize a layer image