IrfanView is a free and powerful image viewer and converter. This freeware supports most of  the existing file formats (notably GIF, JPEG, EPS, BMP, ICO, TIF, AVI, WAVE...) and tries to be easy to use for beginners. IrfanViews offers multi-language support, Thumbnail option, slideshow, toolbar skins, fast directory browsing, batch conversion/editing, multipage editing, file search, change color depth, scanning, cut/crop, IPTC edit, capturing, lossless JPG operations, effects (Adobe Photoshop filters), EXE/SCR creating, many hotkeys, command line options and plugins.