IrfanView is a very powerful graphics viewer and converter. It supports the following formats:

AIF, ANI/CUR, ASF, AU/SND, AVI, B3D, BMP/DIB, CAM (Casio JPG), CLP, Dicom/ACR, DJVU, ECW, EMF/WMF, EPS, FlashPix (FPX), FSH, G3, GIF (including animated), ICO/ICL/EXE/DLL, IFF/LBM, IMG (GEM), JPG2000, JPG, KDC, LDF, LWF, MED, MID/RMI, MNG/JNG, MOV, MP3, MPG, MrSID, NLM/NOL/NGG, OGG, PBM/PGM/PPM, PCX/DCX, PhotoCD, PNG, PSD, PSP, RAS/SUN, RAW, Real Audio (RA), RLE, SFF, SFW, SGI/RGB, SWF (Flash/Shockwave), TGA, TIF, TTF, TXT, WAD, WAV, WBMP, WBZ/WBC, XBM, XPM, CRW, NEF, ORF, RAF, MRW, DCR.

IrfanView also can be used to capture scanners, Slideshow, saving the result later in an .exe, Batch conversion and many more utilities that possibly make it the best.

Download free IrfanView 4.10