FoxChangePictureOpactiy Pro is a mini tool to change picture opacity,change pixel opacity.
Convert image format. BMP, JPG and GIF to PNG
Change picture opacity
Change opacity of some areas of picture
Change all pictures opacity in a folder
From command line, change picture opacity
Very easy to use, just drag slider bar, or move mouse
Support command line
How to use
Just drag slider to change your picture opacity and preview result realtime, regardless picture format. Also you can see current each pixel R, G, B value and alpha value.
It's shareware, you can use trial version which has the limitation that watermark will be printed on image