JPEG Bitmap (jpg, jpeg, jpe, jif)
PaintBrush (pcx)
Windows Bitmap (bmp, dib, rle)
TIFF Bitmap (tif, tiff, fax, g3n, g3f, xif)
CompuServe Bitmap (gif)
Windows Icon (ico)
Windows Cursor (cur)
Portable Network Graphics (png)
Windows Metafile (wmf)
Enhanced Windows Metafile (emf)
Targa Bitmap (tga, targa, vda, icb, vst, pix)
Portable Pixmap, GrayMap, BitMap (pxm, ppm, pgm, pbm)
Wireless Bitmap (wbmp)
JPEG2000 (jp2)
JPEG2000 Code Stream (j2k, jpc, j2c)
Multipage PCX (dcx)
Camera RAW (crw, cr2, nef, raw, pef, raf, x3f, bay, orf, srf, mrw, dcr, dng, arw, rw2, rwl ...)
Photoshop PSD (psd)
Adobe PDF format (PDF)
PostScript (PS, EPS)
Adobe Illustrator (AI)
Kodak PCD (*.pcd)
DICOM (*.dcm;*.dic;*.dicom)
DR HALO CUT (*.cut)
AVS (*.avs)
Kodak Cineon (*.cin)
Graphviz DOT (*.dot)
SMTPE DPX (*.dpx)
FITS (*.fits)
FlashPIX (*.fpx)
HDF (*.hdf)
Matlab (*.mat)
MIFF (*.miff)
MTV Raytracer (*.mtv)
Palm Pixmap (*.palm)
HP PCL Printer (*.pcl)
Apple PICT (*.pict)
PIX (*.pix)
PWP (*.pwp)
RLA (*.rla)
Irix RGB (*.sgi)
SUN Rasterfile (*.sun)
Scalable Vector Graphic (*.svg)
TrueType/Postscript font (*.ttf)
VICAR (*.vicar)
Khoros VIFF (*.viff)
XBM (*.xbm)
GUMP XCF (*.xcf)
XPM (*.xpm)
JBIG files

Image files you can convert to:
JPEG Bitmap (JPG)
CompuServe Bitmap (GIF)
TIFF Bitmap (TIF)
PaintBrush (PCX)
Portable Network Graphics (PNG)
Windows Bitmap (BMP)
OS/2 Bitmap (BMP)
Targa Bitmap (TGA)
Portable PixMap (PXM)
Portable PixMap (PPM)
Portable GreyMap (PGM)
Portable Bitmap (PBM)
JPEG2000 (JP2)
JPEG2000 Code Stream (J2K)
Multipage PCX (DCX)
Adobe PDF format (PDF)
PostScript (PS, EPS)
Wireless Bitmap (WBMP)
Adobe PSD
ICO format
Windows Metafile (wmf)
Enhanced Windows Metafile (emf)
Real RAW (BMPRAW) not camera RAW
Kodak PCD (*.pcd)
AVS (*.avs)
Kodak Cineon (*.cin)
Graphviz DOT (*.dot)
SMTPE DPX (*.dpx)
FITS (*.fits)
FlashPIX (*.fpx)
HDF (*.hdf)
MIFF (*.miff)
MTV Raytracer (*.mtv)
Palm Pixmap (*.palm)
HP PCL Printer (*.pcl)
Apple PICT (*.pict)
Irix RGB (*.sgi)
SUN Rasterfile (*.sun)
Scalable Vector Graphic (*.svg)
VICAR (*.vicar)
Khoros VIFF (*.viff)
XBM (*.xbm)
GUMP XCF (*.xcf)
XPM (*.xpm)