1)   Blaze ImgConvert 2.05
Advanced batch image conversion supporting over 140 formats and an entire arsenal of options and features. Comprehensive support for compression, sub-formats, color depths, naming templates, and resizing/rotating in the same operation are available.
convert, conversion, resize, rotate, image, graphics, colorspace, color depth, multi-page, rename,

 2)   FastRes 1.0
FastRes lets you quickly change your screen's resolution and color depth, from the system tray. It is small, and takes up very little memory.
QUICKRES, RESOLUTION, COLOR DEPTH, TRAY,

 3)   Graphics Editing Tool 1.31
Paint express supports icons and cursors with 32 bit color depth. It applies filter to smooth image edges, eliminate noise, smoothen images, improve image clarity by increasing contrast of adjacent pixel and add shadow to entire or part of image.
color depth, icons, cursors, bitmaps, load, save, edit, filters, effects, zooming,