![]() Now EThe similarities in results are not surprising because both utilities use the same engines, just with minor tweaks in the settings. With images in the 500-pixel range, now the choice of tools is between E300 pixels long side image Application Now the results are closer, with JPEGmini still maintains a lead, depending on the complexity of the image. JPEGmini were designed to compress the size of high-resolution pictures, but it still holds up well with images meant for web publication. On image3, EWWW Image Optimizer wins with about 8kb. In all pictures except image3, which is mostly white background, JPEGmini is the clear winner. As you can see, the size of the first large image is almost cut in half using JPEGmini. Here you can see the power of JPEGmini in action. It’s called ! But it sends all the images to Yahoo for compression, and there’s been a lot of problems getting it to work reliably. There is an alternative for those who don’t have shell access and the ability to install the extra software needed on the WordPress server. It uses jpegtran, OptiPNG/PNGOUT, and gifsicle for compression. This plugin is for those who host their server because you need to be able to install all the Linux commands requirements for the plugin. It has a lot of settings for optimizing the compression. EWWW Image OptimizerĪ WordPress plugin that automatically compresses uploaded images. By utilizing several Open Source programs like PNGOUT, AdvPNG, Pngcrush, OptiPNG, JpegOptim, jpegrescan, jpegtran, and Gifsicle it has lots of muscle for jpeg compression.įor Microsoft Windows users, there are similar apps, like RIOT, but I haven’t tried it. ImageOptim is a popular (and free) image optimizer for Mac OS X. But if you have to send large photos with the quality of the original still intact, this is the obvious choice. And it seems like it’s a good match for some smaller images as well. I’ve included lower resolution pictures just out of curiosity. This is a tool primarily for compressing large size images and does a fantastic job of it. JPEGmini is an excellent image compressor application on Mac OS X. I tried to take different kind of images, where some contain a lot of details, and other with less, to see what kind of effect that has on the image compression result. I’m not a big fan of jpeg artifacts, but you could get away with much lower quality setting depending on the picture. I exported all the pictures from Adobe Lightroom 4 as jpg with a quality setting of 80, which is the one I usually use when uploading to my blog, Flickr or 500px. I’m concentrating on testing jpeg files here, and do a followup article later with results for optimizing PNG files. All applications tested claims not to lower the quality of the image. But which one works best for posting images on a website? I was curious, so I took the tools I usually use and put them through the compress photo function. You may be able to do it with Automator, but I'm not sure about that.There are several JPEG image compression tools available that takes a jpeg file and reduces the size of the photo without altering the quality.You can do the same thing with Keyboard Maestro if that's more of your jam. You could start with these Workflows probably and modify them. ![]() (AUtomatically Save it to disc, process with compression of your choice (there's even imageoptim Alfred workflow) and put it back into your clipboard with some notification that it's done.) You may need to save the file instead of just using the clipboard. To process a region snap and get it back into clipboard: some through Preferences, some (file type) through command line in Terminal.įor example, swith the file format with defaults write type jpg. You can change the shortcuts, file type and more. There are two region capturing methods native to the Mac, one saves the file (Desktop by default, but can be anywhere) and one just puts it in your clipboard (some temp file somewhere most likely). If better answers become available, we can just delete this one :-) I don't want to take the time now to actually do it, so I'll just point you in the directions I would take.
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