XnView
ACDSee Photo Manager
IrfanView
Adobe Photoshop
Corel PHOTO-PAINT
Adobe Illustrator
Corel PaintShop Pro
GIMP
GIMP for Mac
Preview
Adobe Photoshop for Mac
Adobe Illustrator for Mac
GIMP for Linux
XnConvert
Picture Resize Free Online Images Converter
Picture Resize Free Online Images Converter