If you’re like me, you’ve got a hard drive filling up with images. I do a lot of landscape photography, and while I normally shoot in RAW format, they get output as jpegs for the web, email, and the printing service I use. Over the years I’ve seen a lot of applications that will shrink jpegs, and the jpeg itself is already much smaller than anything that started out in raw, native Photoshop or TIF format.

I was offered a new OS X app called JPEGmini to test, and it is impressive. You can drag a folder of photos or even a complete hard drive onto JPEGmini and it goes to work, showing each image it opens and keeping track of how much is saved. It supports images from 2 MB to 17 MB in size, and I have some larger files so the app warned me those would not be shrunk.

I was a bit skeptical of this shrinking process, so I opened up some of my detailed landscape images and looked at them in Photoshop. I couldn’t see any significant difference in the before and after images. I should note that I duplicated a folder of images for this test and worked on the copy, because once you shrink the photos, there is no going back. I saw more than 50% reduction in file size, and there would have been more if I didn’t have so many files in that folder larger than 17 MB. This is very nice for sending files via email because I can reduce the file size while keeping the quality.

Best of all is that your photos stay in jpg format. No program is going to have trouble opening them.

If you want some details on the process, the developers go into more depth about how the application works. Besides the file size caveat, the program only works on jpegs.

JPEGmini is US $19.99 through the Mac App Store. It’s a little pricey, but it does what it claims. It mightnot be for the pro photographer, but I think most amateur and semi-pros will be thrilled at the drive space you get back. If you’d like to see how the program works without any investment, the developers have a free service on their website where you can upload some files and let their server shrink them and return them to you.

Check the gallery for some comparison shots, but remember that these examples are further reduced in quality when we publish them.

Gallery: JPEGmini

As the program works you'll get a running count of savingsJPEGmini warns you if a file is too largeComparison at 195%400x enlargement

JPEGmini puts your images on a diet originally appeared on TUAW – The Unofficial Apple Weblog on Mon, 14 May 2012 20:00:00 EST. Please see our terms for use of feeds.

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