ImageMagick
Open Source
ImageMagick is a free and open-source software suite for displaying, converting, and editing raster image and vector image files.
Phatch
Open Source
Phatch (PHoto & bATCH) is a raster graphics editor used to batch process digital graphics and photographs. Phatch can be used on the desktop as a GUI program …
FileOptimizer
Open Source
FileOptimizer is an advanced file optimizer featuring a lossless (no quality loss) file size reduction.
OptiPNG
Open Source
OptiPNG is a PNG optimizer that recompresses image files to a smaller size, without losing any information.
Caesium
Open Source
Caesium is an image compression tool.
Radical Image Optimization Tool (RIOT) is a free image optimizer that will let you to visually adjust compression parameters.
PNGGauntlet
Free
PNGGauntlet is a PNG compression app for Windows.
JPEGmini
Commercial
JPEGmini is a photo optimization software.
PngOptimizer
Open Source
PngOptimizer cleans PNG files of useless or wrong information, reduces your PNG files weight.
GraphicsMagick
Open Source
GraphicsMagick is a utility of image processing.
Compare ImageOptim with alternatives
Compare ImageMagick and ImageOptim and decide which is most suitable for you.
Compare RIOT - Radical Image Optimization Tool and ImageOptim and decide which is most suitable for you.
Compare PNGGauntlet and ImageOptim and decide which is most suitable for you.
Compare FileOptimizer and ImageOptim and decide which is most suitable for you.
Compare JPEGmini and ImageOptim and decide which is most suitable for you.
Compare PngOptimizer and ImageOptim and decide which is most suitable for you.
Compare GraphicsMagick and ImageOptim and decide which is most suitable for you.