XnView, a software to view and convert graphic files, really simple to use. Support of more than 400 graphics formats. XnView exists for Windows, MacOS X, Linux x86, Linux ppc, FreeBSD x86, OpenBSD x86, NetBSD x86, Solaris sparc, Solaris x86, Irix mips, HP-UX, AIX. The most important features are: Import about 400 graphic file formats and Export about 50 graphic file formats.

Features:

It has the features :
-Import about 400 graphic file formats
-Export about 50 graphic file formats
-Multipage TIFF, Animated GIF, Animated ICO support
-Image IPTC, EXIF metadata support
-EXIF auto rotation support
-IPTC editing
-Resize, rotate, crop support
-Lossless rotate & crop (jpeg) support
-Adjust brightness, contrast...
-Auto levels, contrast
-Modify number of colors
-Apply filters (blur, average, emboss, ...)
-Apply effects (lens, wave, ...)
-fullScreen mode
-Slide show with effects
-Batch convert, batch rename
-Create WEB page easily
-Screen Capture
-Create Contact sheet
-Create or edit Multi-page file (TIFF, DCX, LDF)
-TWAIN & WIA support (Windows only)
-Print support (Windows only)
-Drag & Drop support (Windows only)
-Compare image side by side
-Filmstrip layout
-44 languages support (Windows only)
-And many many other things.