![]() The app works as a stand-alone or a plug-in with Capture One, Lightroom, or Photoshop, which means photographers can integrate the software into a workflow without exporting twice.īest of all, JPEGmini isn’t yet another monthly subscription to pay for. That’s means an incredible difference in upload speed of photos to cloud storage, improving website load times, and more. The software cut the size of my JPEGs by more than half, yet the quality was 95 percent of the original. JPEGmini does an excellent job drastically reducing the file size of photos without drastically reducing quality. JPEGmini is an integral tool for any photographer shooting photos for the web. I was doubtful about JPEGmini’s claim to reduce file size without impacting overall image quality. Video was added to the tool last year, and version 3.5 now supports AVC files and MV4, while the software’s overall performance is boosted. JPEGmini is a photo compression software that reduces the size of JPEGs while maintaining the file’s actual pixel dimensions. But, after just adding yet another external hard drive to stash all my files, I thought, “It couldn’t hurt to try it out, right?” ![]() I’ve always scrolled past the ads for JPEGmini, thinking there’s no way to get a smaller file without some sort of impact on quality. I’m still delivering weddings on USB drives because uploading a few hundred full-resolution JPEGs would literally tie up my internet for a week, while I can snail mail a USB drive and actually have it arrive in a few days. That’s especially true as a photographer living in a rural area with poor internet speed. ![]() The tool uses a predefined threshold and determines how far it can compress.Ĭhime back in with your final results/preference.Storage is a recurring issue for photographers. From experience, the feature I think is unique is the automatic one click processing. Notice how it doesn't compare itself to other software, it just promotes itself. Most hate it because it tries too hard to sell itself when other free open source tools also exist and do the same. I also read on a few other forums users' opinions of jpegmini. Extremely handy! I only wish it showed more of the tool's internal options. I used to have a script for compressing PNGs with PNGOUT but now RIOT allows to process them in batch. I tried the tool the user posted on this thread but it produced some weird results, on a few images it cropped the picture by a few pixels. Messing with the Chroma and Luma channels is something nearly every jpeg compressing tool does and I'd like to know which one I'm using to compare their features. I liked RIOT very much but I wish it showed which external tools it uses besides the PNG ones. Hopefully being open source means others will step up with with cool new ideas. I'm sure there are a ton of optimizations to be made, but to be totally honest my math and C programming skills are not the best. if it's a picture of clouds then lower the quality slightly and if it's an intricate building then increase the quality a bit. One thing I would like to add is some measure of overall image complexity, e.g. what's the average pixel value, how do the pixels vary, what's the relationship between the original variance and the reference block variance, etc. The algorithm I use is SSIM, which works by measuring relationships between pixels in 8x8 blocks, e.g. I haven't read the patents (and won't due to possibly tainting my own code with information from them). JPEGmini actually uses some custom patented algorithm for perceived image quality. That's much better than throwing away too much. Luckily it errs on the side of caution and throws away less data than JPEGmini. I think the groups of solid colors are problematic. Thanks! Feel free to contribute the bat file if you think it'll be useful for others.
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