ImageOptim can also be launched from command line or Sketch. ImageOptim integrates well with macOS, so you can also drop files on ImageOptim's Dock icon, or use Services menu in Finder, or Markup menu on attached images in Apple Mail.

When you drag'n'drop images into ImageOptim's window it will run several image optimization tools automatically and combine their results, ensuring that you always get the smallest file. ImageOptim removes EXIF metadata, such as GPS position and camera's serial number, so that you can publish images without exposing private information (but there's an option to keep the metadata if you need it). It's useful for making Mac and iPhone/ iPad applications smaller (if you configure Xcode to allow better optimization). ImageOptim is excellent for publishing images on the web (easily shrinks images “Saved for Web” in Photoshop). Old Mac? Download for Snow Leopard & Mountain Lion (10.6-10.9)Įnglish, French, German, Spanish, Portuguese, Italian, Dutch, Norwegian, Swedish, Danish, Japanese, Chinese, Korean, Vietnamese, Turkish, Russian, Lithuanian, Czech and Polish.“Basically, ImageOptim works like magic, cutting down the size of images without making them look worse” - MacStories Download I'd have lots of fun coding one, but I bet someone already did and will save me 2 days.Īlternatively, of course, anything that'll take all pictures in a folder and recompress them with a fixed quality level (say, 40) will also work, it'll just not make my inner nerd as happy, but it'll solve my problem just fine.“The app works efficiently, it’s brain-dead simple to use, and it does just what it promises” - MacWorld Or even try whether PNG is a better option, many times it is, for 'drawing' type stuff. Obviously, 'optimal lossy compression setting' is an oxymoron, but I'm thinking maybe a tool that'll try different levels and compare the outputs to the input, and choose a 'sweet spot' between size and destruction? I'm looking for some kind of tool that'll take a folder full of JPG pictures and will recompress them to their 'optimal' compression value. The homepage weighs in at 1.5 Mb currently, and it could easily be way less that half that. I'm maintaining a site that has thousands of images that have not been compressed nearly enough.

Image compression software freeware