IrfanView is a very fast, small, compact and innovative FREEWARE (for non-commercial use) graphic viewer for Windows 9x/ME/NT/2000/XP/2003/Vista.
Multi language support
Thumbnail/preview option
Paint option - to draw lines, circles, arrows, straighten image etc.
Toolbar skins option
Slideshow (save slideshow as EXE/SCR or burn it to CD)
Show EXIF/IPTC/Comment text in Slideshow/Fullscreen etc.
Support for Adobe Photoshop Filters
Fast directory view (moving through directory)
Batch conversion (with image processing)
Multipage TIF editing
File search
Email option
Multimedia player
Print option
Support for embedded color profiles in JPG/TIF
Change color depth
Scan (batch scan) support
Cut/crop
IPTC editing
Effects (Sharpen, Blur, Adobe 8BF, Filter Factory, Filters Unlimited, etc.)
Capturing
Extract icons from EXE/DLL/ICLs
Lossless JPG rotation
Supported file types:
ANI, CUR
AWD*
B3D*
BMP, DIB
CAM*
CLP
CPT
CRW/CR2*
DCM/ACR/IMA*
DCX
DDS*
DJVU, IW44*
DXF, DWG, HPGL, CGM, SVG*
ECW*
EMF
EPS, PS, PDF*
EXR*
FITS*
FPX*
FSH*
G3*
GIF
HDR*
HDP, WDP*
ICL, EXE, DLL
ICO
ICS*
IFF, LBM*
IMG*
JP2, JPC, J2K*
JPG, JPEG
JPM*
KDC*
LDF*
LWF*
Mac PICT, QTIF, MP4*
MNG, JNG*
MRC*
MrSID, SID*
DNG, EEF, NEF, MRW, ORF, RAF, DCR, SRF/ARW, PEF, X3F*
NLM, NOL, NGG*
PBM
PCD
PCX
PDF*
PGM
PIC*
PNG
PPM
PSD
PSP*
PVR*
RAS, SUN*
RAW, YUV*
RLE*
SFF*
SFW*
SGI, RGB*
SIF*
SWF, FLV*
TGA
TIF, TIFF
TTF*
TXT
VTF*
WAD*
WAL*
WBMP*
WMF
WSQ*
XBM*
XPM*
Video/Audio:
AIF
AU, SND
MED*
MID
MP3*
OGG*
RA*
WAV
ASF
AVI
MOV*, MP4*
MPG, MPEG
WMA, WMV
* - requires plug-in
http://www.irfanview.com/