Image Formats:

.bmp=Windows or OS/2 Bitmap File
.cut=Dr. Halo
.dds=DirectDraw Surface
.exr=OpenEXR format
.g3=Raw Fax format CCITT G3
.gif=Graphics Interchange Format
.iff=Amiga IFF
.lbm=Amiga IFF
.j2k=JPEG-2000 format
.j2c=JPEG-2000 format
.jng=JPEG Network Graphics
.jp2=JPEG-2000 format
.jpeg=Independent JPEG Group
.jpg=Independent JPEG Group
.jpe=Independent JPEG Group
.jif=Independent JPEG Group
.jxr=JPEG XR Image Format.
.koala=Commodore 64 Koala format
.mng=Multiple Network Graphics
.pcd=Kodak PhotoCD
.pcx=Zsoft Paintbrush PCX bitmap format
.pfm=Portable FloatMap
.pict=Macintosh PICT
.png=Portable Network Graphics
.pgm=Portable Graymap (ASCII) - Portable Graymap (BINARY)
.pbm=Portable Bitmap (ASCII) - Portable Bitmap (BINARY)
.ppm=Portable Pixelmap (ASCII) - Portable Pixelmap (BINARY)
.psd=Adobe Photoshop
.ras=Sun Rasterfile
.sgi=Silicon Graphics SGI image format
.targa=truevision Targa files
.tga=truevision Targa files
.tif=Tagged Image File Format
.tiff=Tagged Image File Format
.wbmp=Wireless Bitmap
.xbm=X11 Bitmap Format
.xpm=X11 Pixmap Format
.bay=Casio Digital Camera Raw File Format.
.bmq=NuCore Raw Image File.
.cr2=Canon Digital Camera RAW Image Format version 2.0. These images are based on the TIFF image standard.
.crw=Canon Digital Camera RAW Image Format version 1.0.
.cs1=Capture Shop Raw Image File.
.dc2=Kodak DC25 Digital Camera File.
.dcr=Kodak Digital Camera Raw Image Format for these models: Kodak DSC Pro SLR/c, Kodak DSC Pro SLR/n, Kodak DSC Pro 14N, Kodak DSC PRO 14nx.
.dng=Adobe Digital Negative: DNG is publicly available archival format for the raw files generated by digital cameras.
.erf=Epson Digital Camera Raw Image Format.
.fff=Imacon Digital Camera Raw Image Format.
.hdp=HDPhoto Image Format.
.hdr=Leaf Raw Image File.
.k25=Kodak DC25 Digital Camera Raw Image Format.
.kdc=Kodak Digital Camera Raw Image Format.
.mdc=Minolta RD175 Digital Camera Raw Image Format.
.mos=Mamiya Digital Camera Raw Image Format.
.mrw=Minolta Dimage Digital Camera Raw Image Format.
.nef=Nikon Digital Camera Raw Image Format.
.orf=Olympus Digital Camera Raw Image Format.
.pef=Pentax Digital Camera Raw Image Format.
.pxn=Logitech Digital Camera Raw Image Format.
.raf=Fuji Digital Camera Raw Image Format.
.raw=Panasonic Digital Camera Image Format.
.rdc=Digital Foto Maker Raw Image File.
.sr2=Sony Digital Camera Raw Image Format.
.srf=Sony Digital Camera Raw Image Format for DSC-F828 8 megapixel digital camera or Sony DSC-R1
.arw=Sony Digital Camera Raw Image Format for Alpha devices.
.3fr=Hasselblad Digital Camera Raw Image Format.
.cine=Phantom Software Raw Image File.
.ia=Sinar Raw Image File.
.kc2=Kodak DCS200 Digital Camera Raw Image Format.
.mef=Mamiya Digital Camera Raw Image Format.
.nrw=Nikon Digital Camera Raw Image Format.
.qtk=Apple Quicktake 100/150 Digital Camera Raw Image Format.
.raw=Direct output from a CCD in a digital camera. Usually camera makers uses different extensions.
.rw2=Panasonic LX3 Digital Camera Raw Image Format.
.sti=Sinar Capture Shop Raw Image File.
.drf=Kodak Digital Camera Raw Image Format.
.dsc=Kodak Digital Camera Raw Image Format.
.ptx=Pentax Digital Camera Raw Image Format.
.cap=Phase One Digital Camera Raw Image Format.
.iiq=Phase One Digital Camera Raw Image Format.
.rwz=Rawzor Digital Camera Raw Image Format.
.webp=Google web image.
.wdp=Windows Media Photo Image Format.