We’re doubling the size of our JPEGs, then saving them as PNGs, before converting our next JPEGs to GIF, while choosing exactly how to reduce our color palette. Nconvert -out gif -dither -colors 256 *.jpegĪs you can see, the syntax is very straightforward - no cryptic -d /x -g nonsense - and this makes both commands very clear. Nconvert -out png -resize 200% 200% *.jpeg That's only a very basic task, of course, but more advanced commands still remain very understandable. You can probably see immediately that this takes the file pic1.jpg and saves it in the GIF format. It is still a command line tool, of course, but don't necessarily assume that makes it difficult to use. The program reads more than 500 image formats, and can export to more than 70. NConvert can work its magic on just about any file, too. The program has an enormous amount of functionality, with tools to crop, resize and rotate images tweak brightness, contrast and color apply sharpen or blur filters add watermarks, even remove or edit metadata. But if you regularly need to resize, rotate, crop or convert multiple images, then there’s still no substitute for a console tool like NConvert. In an increasingly touch-oriented world, the idea of using a command line utility to process images might seem, well, just a little old-fashioned.Īnd maybe it is.
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