XnView is a multi-platform software used for viewing, converting and manipulating graphic files. It supports more than 400 image file formats, is free of charge for private usage, easy to use and can be made portable (like on a usb-stick).
Added:
* TIFF can write EXIF
* Mamiya, Leaf, Hasselblad, Epson, Imacon & Sinar Camera RAW read support
* AVT, Casio, Contax, Creative, Foculus, Leica, Micron, Panasonic, Rollei, RoverShot, Stmicro Camera RAW read support
* NConvert: -cmyk_space, you can convert RGB=>CMYK
* JPEG-XR read support
* deskew automaticFixed:
* EXIF date taken – viewtopic.php?f=36&t=18026
* XPM writing (const)
* IPTC
* DPX – 32BitsPacking option added
* TIM2 CSM1 added
* PDF orientation
* Big WMF
* TIFF 16bits grey