ImageMagick
Open Source
ImageMagick is a free and open-source software suite for displaying, converting, and editing raster image and vector image files.
XnConvert
Free
XnConvert is a powerful and free cross-platform batch image processor, allowing you to combine over 80 actions.
PNGGauntlet
Free
PNGGauntlet is a PNG compression app for Windows.
Light Image Resizer
Free Personal
Light Image Resizer can resize and convert images one by one or in batch as well as other features.
GraphicsMagick
Open Source
GraphicsMagick is a utility of image processing.
Radical Image Optimization Tool (RIOT) is a free image optimizer that will let you to visually adjust compression parameters.
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 …
FastStone Photo Resizer
Free Personal
FastStone Photo Resizer is an image converter and renaming tool that intends to enable users to convert, rename, resize, crop, rotate, change color depth, etc…
Kigo Image Converter
Commercial
Kigo Image Converter helps you change between multiple types of picture files with the possibility to change size specifications.
Compare Image Tuner with alternatives
Compare ImageMagick and Image Tuner and decide which is most suitable for you.
Compare RIOT - Radical Image Optimization Tool and Image Tuner and decide which is most suitable for you.
Compare XnConvert and Image Tuner and decide which is most suitable for you.
Compare PNGGauntlet and Image Tuner and decide which is most suitable for you.
Compare FastStone Photo Resizer and Image Tuner and decide which is most suitable for you.
Compare Light Image Resizer and Image Tuner and decide which is most suitable for you.
Compare Kigo Image Converter and Image Tuner and decide which is most suitable for you.
Compare GraphicsMagick and Image Tuner and decide which is most suitable for you.