XnView Free Viewer

XnView is a utility for viewing and converting graphic files. It supports over 360 file formats, including BMP, GIF, TIFF, JPG, PNG, RGB, TDI, and TGA, and enables you to apply various filters and lots more. Free for non-commercial use.

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IRFAN IMAGE VIEWER

IrfanView is a very fast, small, compact and innovative FREEWARE (for non-commercial use) graphic viewer for Windows 9x, ME, NT, 2000, XP, 2003 , 2008, Vista, Windows 7.

This displays many types of image formats. It also can convert between formats. It has other image manipulation capabilities as well. It supports BMP, GIF, TIFF, JPG, PNG, PCX, PCD, RAS, TGA, RLE, DIB, ICO, AVI, WMF, and EMF.

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