Radical Image Optimization Tool (RIOT for short) is a free image optimizer that will let you to visually adjust compression parameters while keeping minimum filesize. It uses with a side by side (dual view) or single view interface to compare the original with the optimized image in real time and instantly see the resulting file size.

Changelog:

- refactored resize function
- allowed specifying just width or height in batch resize
- improved PNG loading: added support for binary transparency in all bit depths,
refactored the entire Load function
- fixed ICO transparency handling
- fixed a bug with applying properly the settings using the keyboard
- updated libraries to LibPNG 1.4.3, OpenEXR 1.7.0, OpenJPEG 1.4.0 (SVN patch 2010-04-16),
LibRaw 0.10-Beta3, LibTIFF 3.9.4 (CVS patch 2010-07-13)
- RAW plugin: actual RAW bit depth is now displayed
- Fixed loading of Pentax KX RAW images
- Minor improvements for the EXR and RAW plugins
- the plugins from RAW + HDR package now run without SSE2 CPU extensions
- greyscale conversions now use the Rec. 709 formula
- new standard conversion from RGBF(A) high dynamic range formats allows to
import such images with no tone mapping (gamma correction applied)
- fixed bug with Report file size in Batch when using an external optimizer
- improved TIFF and PSD loading
- small performance improvement in saving JPEG
- fixed bug with non existent files added in Batch if typed in the open dialog
- refactored the internal function ConvertToCommon
- fixed automatic scrolling to the item on which Batch is working (Vista)
- fixed a regression bug with losing resolution, ICC profile and background in some situations
- added Credits in About dialog, other minor modifications
- other clean-ups and improvements
 

Program Information Category: Tools and Utilities Type: Free Version: 0.4.2 Size: 1.06MB Works on: Windows Product page: here