IrfanView
Fast and compact image viewer/converter trying to be simple for beginners and powerful for professionals. Many supported file formats and features. Features included: multi-language support, Thumbnail option, Painting, slideshow, toolbar skins, fast directory browsing, batch conversion/editing, multipage editing, alignment (rotation) of single pdf pages around a small corner (e.g., 2 °), scanning to pdf-Files, OCR_KADMOS plugin, file search, change color depth, scanning, cut/crop, IPTC edit, capturing, lossless JPG operations, effects, ICC support, EXE/SCR creating, many hotkeys, command line options and plugins.
