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If you're new to this website, these are probably ten things you may not know about images on Wikipedia. We hope this gives you a better idea of the whats and whys of illustrating the world's most popular encyclopedia. If you're more experienced with images on Wikipedia, you probably know most of these—but maybe you've never seen them written down, or you don't know where to point other people who want a quick and easy (sometimes complicated) explanation of a subject.
This page sets out the policies towards images—including format, content, and copyright issues—applicable on the English-language Wikipedia.
Use the mogrify
program to resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more. This tool is similar to convert
except that the original image file is overwritten (unless you change the file suffix with the -format
option) with any changes you request. See Command Line Processing
for advice on how to structure your mogrify
command or see below for sample usages of the command.