![]() Once the binary file was installed (/usr/bin/jpegmini by default), the next step was to. For my CentOS server, JPEGmini provided an RPM file, so it was an easy install with a single command. The Pro version also includes a plug-in for Adobe Lightroom. The installation of JPEGmini server is very easy, especially if you run RHEL, CentOS and other popular Linux distributions. Finally, you can choose to have the originals compressed or leave them alone. In addition, in the preferences you can also set an image size reduction to one of three presets, or a customizable maximum width or height. When magnified at 200%, I could see tiny differences in small details.Īn added benefit of the desktop edition is the interface, which has a gauge showing you the reduction rate or how much disk space you've saved. The visual characteristics of the JPEGmini Pro version were identical to the original when viewed at 100%. This app is fast! The compression it achieved was equally impressive, and even a bit more than claimed with some of my photos. I tested JPEGmini Pro with three 40-megapixel Hasselblad files and a dozen 12-megapixel Sony Alpha files. Size reductions of 70-80% are achieved easily with JPEGs greater than 8 megapixels. When running as an extension for photoshop, you can access it (after installation) by clicking WINDOW > Extensions > JPEG Mini For Lightroom, you’ll have to install the plugin following Adobe’s and JPEGMini’s instructions provided. At the end of the process, you will be presented with a README text file, which outlines the process of manually installing the plugin for Lightroom. Based on this analysis the app applies the maximum amount of compression that won't cause visible artifacts at 100% magnification. To open, simply click/double click the JPEGMini Icon in your applications folder or toolbar and begin. Installing JPEGmini Pro Lightroom Plugin Unfortunately, the installation process for Lightroom is not as simple and involves some manual steps after the installation is complete. JPEGmini analyzes the input image using a quality detector that imitates the human visual system. It's a bit like JPEG 2000 or WebP, but one of the major benefits of JPEGmini is that it doesn't require a whole new format that's supported by few Web browsers, if any. ![]() JPEGmini Pro uses parameters that have been tuned to reduce the file size without affecting perceptual quality and is based on a proprietary compressing algorithm that doesn't introduce quality loss. ![]() JPEGmini’s quality measure algorithm guides and drives the standard compression to the point that eliminates all the redundancies beyond human vision, but retains the original quality you can see. It uses all of your processing cores and can process images of up to 50 megapixels. I would wager that for most of you, you’ll use Photoshop or Lightroom as your compression engines, and while they are good, JPEGmini is better. JPEGmini Pro reduces the file size of JPEG photos while preserving the originals' resolution and quality. Compressing an image, especially a JPEG, to its smallest possible size often introduces ugly artifacts.
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