ImageOptim decreases the file size of PNG, JPEG, and GIF images, even those "Saved for Web". It combines OptiPNG, PNGCrush, AdvanceComp, PNGOUT, Jpegoptim + Jpegtran, and Gifsicle for the best possible optimization.
| Tags | PNG Graphics Compression Optimization zlib/libpng GUI JPEG GIF |
|---|---|
| Licenses | GPL |
| Operating Systems | Mac OS X |
| Implementation | C Objective C Cocoa |
| Translations | English Polish French Dutch |
Recent releases


Release Notes: This release includes PNGOUT by default. Simplified preferences: options for stripping PNG chunks and JPEG EXIF data are in one place. A View Source option, because not only Web apps have viewable source code.


Release Notes: This release extends jpegtran optimization with a jpegrescan script and adds Norwegian and Brazilian Portuguese localizations.


Release Notes: The UI has been changed to match Leopard aesthetics. A Dutch localization has been added.


Release Notes: This release is only for Leopard. Gifsicle was added.


Release Notes: Stability fixes.