Thats a good link. I am a bit of a fan of image magick (.com). Its command line driven and free and has a lot of formats that it can do too. This is its format list :-
Code:
A* rw+ Raw alpha samples
ART* rw- PFS: 1st Publisher Clip Art
ARW r-- Sony Alpha Raw Image Format
AVI* r-- Microsoft Audio/Visual Interleaved
AVS* rw+ AVS X image
B* rw+ Raw blue samples
BIE* rw- Joint Bi-level Image experts Group interchange format (1.6)
BMP* rw- Microsoft Windows bitmap image
BMP2* -w- Microsoft Windows bitmap image v2
BMP3* -w- Microsoft Windows bitmap image v3
C* rw+ Raw cyan samples
CAPTION* r-- Image caption
CIN* rw+ Cineon Image File
CIP* -w- Cisco IP phone image format
CLIP* -w+ Image Clip Mask
CLIPBOARD* rw- The system clipboard
CMYK* rw+ Raw cyan, magenta, yellow, and black samples
CMYKA* rw+ Raw cyan, magenta, yellow, black, and opacity samples
CR2 r-- Canon Digital Camera Raw Image Format
CRW r-- Canon Digital Camera Raw Image Format
CUR* rw- Microsoft icon
CUT* r-- DR Halo
DCM* r-- Digital Imaging and Communications in Medicine image
DICOM is used by the medical community for images like X-rays. The
specification, "Digital Imaging and Communications in Medicine
(DICOM)", is available at http://medical.nema.org/. In particular,
see part 5 which describes the image encoding (RLE, JPEG, JPEG-LS),
and supplement 61 which adds JPEG-2000 encoding.
DCR r-- Kodak Digital Camera Raw Image File
DCX* rw+ ZSoft IBM PC multi-page Paintbrush
DFONT* r-- Multi-face font package (Freetype 2.1.5)
DNG r-- Digital Negative
DPS --- Display Postscript Interpreter
DPX* rw+ SMPTE 268M-2003 (DPX 2.0)
Digital Moving Picture Exchange Bitmap, Version 2.0.
See SMPTE 268M-2003 specification at http://www.smtpe.org
EMF r-- Windows WIN32 API rendered Enhanced Meta File
EPDF rw- Encapsulated Portable Document Format
EPI rw- Encapsulated PostScript Interchange format
EPS rw- Encapsulated PostScript
EPS2* -w- Level II Encapsulated PostScript
EPS3* -w+ Level III Encapsulated PostScript
EPSF rw- Encapsulated PostScript
EPSI rw- Encapsulated PostScript Interchange format
EPT rw- Encapsulated PostScript with TIFF preview
EPT2 rw- Encapsulated PostScript Level II with TIFF preview
EPT3 rw+ Encapsulated PostScript Level III with TIFF preview
FAX* rw+ Group 3 FAX
FITS* rw- Flexible Image Transport System
FRACTAL* r-- Plasma fractal image
FTS* rw- Flexible Image Transport System
G* rw+ Raw green samples
G3* rw- Group 3 FAX
GIF* rw+ CompuServe graphics interchange format
GIF87* rw- CompuServe graphics interchange format (version 87a)
GRADIENT* r-- Gradual passing from one shade to another
GRAY* rw+ Raw gray samples
HISTOGRAM* -w- Histogram of the image
HTM* -w- Hypertext Markup Language and a client-side image map
HTML* -w- Hypertext Markup Language and a client-side image map
ICB* rw+ Truevision Targa image
ICO* rw+ Microsoft icon
ICON* rw- Microsoft icon
INFO -w+ The image format and characteristics
IPL* rw+ IPL Image Sequence
JBG* rw+ Joint Bi-level Image experts Group interchange format (1.6)
JBIG* rw+ Joint Bi-level Image experts Group interchange format (1.6)
JNG* rw- JPEG Network Graphics
JP2* rw- JPEG-2000 File Format Syntax
JPC* rw- JPEG-2000 Code Stream Syntax
JPEG* rw- Joint Photographic Experts Group JFIF format (62)
JPG* rw- Joint Photographic Experts Group JFIF format
JPX* rw- JPEG-2000 File Format Syntax
K* rw+ Raw black samples
K25 r-- Kodak Digital Camera Raw Image Format
KDC r-- Kodak Digital Camera Raw Image Format
LABEL* r-- Image label
M* rw+ Raw magenta samples
M2V rw+ MPEG Video Stream
MAP* rw- Colormap intensities and indices
MAT* rw+ MATLAB image format
MATTE* -w+ MATTE format
MIFF* rw+ Magick Image File Format
MNG* rw+ Multiple-image Network Graphics (libpng 1.2.18)
MONO* rw- Raw bi-level bitmap
MPC* rw+ Magick Persistent Cache image format
MPEG rw+ MPEG Video Stream
MPG rw+ MPEG Video Stream
MRW r-- Sony (Minolta) Raw Image File
MSL* rw+ Magick Scripting Language
MSVG* rw+ ImageMagick's own SVG internal renderer
MTV* rw+ MTV Raytracing image format
MVG* rw- Magick Vector Graphics
NEF r-- Nikon Digital SLR Camera Raw Image File
NULL* rw- Constant image of uniform color
O* rw+ Raw opacity samples
ORF r-- Olympus Digital Camera Raw Image File
OTB* rw- On-the-air bitmap
OTF* r-- Open Type font (Freetype 2.1.5)
PAL* rw- 16bit/pixel interleaved YUV
PALM* rw+ Palm pixmap
PAM* rw+ Common 2-dimensional bitmap format
PATTERN* r-- Predefined pattern
PBM* rw+ Portable bitmap format (black and white)
PCD* rw- Photo CD
PCDS* rw- Photo CD
PCL rw- Printer Control Language
PCT* rw- Apple Macintosh QuickDraw/PICT
PCX* rw- ZSoft IBM PC Paintbrush
PDB* rw+ Palm Database ImageViewer Format
PDF rw+ Portable Document Format
PEF r-- Pentax Electronic File
PFA* r-- Postscript Type 1 font (ASCII) (Freetype 2.1.5)
PFB* r-- Postscript Type 1 font (binary) (Freetype 2.1.5)
PFM* rw+ Portable float format
PGM* rw+ Portable graymap format (gray scale)
PGX* r-- JPEG-2000 VM Format
PICON* rw- Personal Icon
PICT* rw- Apple Macintosh QuickDraw/PICT
PIX* r-- Alias/Wavefront RLE image format
PJPEG* rw- Progessive Joint Photographic Experts Group JFIF
PLASMA* r-- Plasma fractal image
PNG* rw- Portable Network Graphics (libpng 1.2.18)
PNG24* rw- opaque 24-bit RGB (zlib 1.2.3)
PNG32* rw- opaque or transparent 32-bit RGBA
PNG8* rw- 8-bit indexed with optional binary transparency
PNM* rw+ Portable anymap
PPM* rw+ Portable pixmap format (color)
PREVIEW* -w- Show a preview an image enhancement, effect, or f/x
PS rw+ PostScript
PS2* -w+ Level II PostScript
PS3* -w+ Level III PostScript
PSD* rw+ Adobe Photoshop bitmap
PTIF* rw- Pyramid encoded TIFF
PWP* r-- Seattle Film Works
R* rw+ Raw red samples
RAF r-- Fuji CCD-RAW Graphic File
RAS* rw+ SUN Rasterfile
RGB* rw+ Raw red, green, and blue samples
RGBA* rw+ Raw red, green, blue, and alpha samples
RGBO* rw+ Raw red, green, blue, and opacity samples
RLA* r-- Alias/Wavefront image
RLE* r-- Utah Run length encoded image
SCR* r-- ZX-Spectrum SCREEN$
SCT* r-- Scitex HandShake
SFW* r-- Seattle Film Works
SGI* rw+ Irix RGB image
SHTML* -w- Hypertext Markup Language and a client-side image map
SR2 r-- Sony Raw Format 2
SRF r-- Sony Raw Format
STEGANO* r-- Steganographic image
SUN* rw+ SUN Rasterfile
SVG* rw+ Scalable Vector Graphics (XML 2.4.19)
SVGZ* rw+ Compressed Scalable Vector Graphics (XML 2.4.19)
TEXT* rw+ Text
TGA* rw+ Truevision Targa image
THUMBNAIL* -w+ EXIF Profile Thumbnail
TIFF* rw+ Tagged Image File Format (LIBTIFF, Version 3.8.2)
TIFF64* --- Tagged Image File Format (64-bit) (LIBTIFF, Version 3.8.2)
TILE* r-- Tile image with a texture
TIM* r-- PSX TIM
TTC* r-- TrueType font collection (Freetype 2.1.5)
TTF* r-- TrueType font (Freetype 2.1.5)
TXT* rw+ Text
UIL* -w- X-Motif UIL table
UYVY* rw- 16bit/pixel interleaved YUV
VDA* rw+ Truevision Targa image
VICAR* rw- VICAR rasterfile format
VID* rw+ Visual Image Directory
VIFF* rw+ Khoros Visualization image
VST* rw+ Truevision Targa image
WBMP* rw- Wireless Bitmap (level 0) image
WMF* r-- Windows Meta File
WMFWIN32 r-- Windows WIN32 API rendered Meta File
WMZ* r-- Compressed Windows Meta File
WPG* r-- Word Perfect Graphics
X* rw+ X Image
X3F r-- Sigma Camera RAW Picture File
XBM* rw- X Windows system bitmap (black and white)
XC* r-- Constant image uniform color
XCF* r-- GIMP image
XPM* rw- X Windows system pixmap (color)
XV* rw+ Khoros Visualization image
XWD* rw- X Windows system window dump (color)
Y* rw+ Raw yellow samples
YCbCr* rw+ Raw Y, Cb, and Cr samples
YCbCrA* rw+ Raw Y, Cb, Cr, and opacity samples
YUV* rw- CCIR 601 4:1:1 or 4:2:2
* native blob support