![]() This is similar in behavior to Kraken’s ability to losslessly compress JPG files.įor example, the following two images were compressed by Kraken’s web service– one losslessly, one with lossy compression. Instead, ImageOptim performs optimizations with the file format itself to achieve a lossless compression. Conversely, ImageOptim has a maximum quality setting, but will not reduce the quality beyond this user set number. However, Kraken obtains these savings by reducing the image quality setting of the JPG. In the JPG arena, Kraken initially appears to perform significantly better than ImageOptim, saving 47% of the original file size versus ImageOptim’s 34%. For example, Kraken configured with “Lossless” settings saved an average of 34% off of the original file size off of several PNG images, whereas ImageOptim saved 35.1%. The quick answer is, “it depends.” Minimally, Kraken’s optimization is nearly as good as ImageOptim, or equal to it. The service works significantly faster than ImageOptim because of the powerful servers that they use to crunch your images.īut, how does it compare to the desktop equivalent? Alternatively, you can use their free web service by uploading files individually. For as little as $7 a month (for half-a-gigabyte of images processed a month), you can have Kraken.io process your images and compress them. Kraken is a web service designed to perform a similar function to desktop based applications such as ImageOptim.
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