Siempre hay alguno por ahí en la red jejeje... mas aún que es
freeware.
XnView - Previsualizador de Archivos Gráficos.
Cita:
Iniciado por Página de XnView
XnView (v1.91.1/1.70) is an efficient multimedia viewer, browser and converter.
XnView Pocket (v1.40) is an efficient image viewer, browser and converter for PocketPC.
NConvert (v4.79/4.51) is an image converter in console mode.
XnView shell extension (v1.6) is an extension for windows explorer.
GFL SDK (v2.70/2.40) is a powerful library for developers who would like to support graphics image formats easily.
GFLAx (v2.70) is a powerful ASP component to manage graphic images.
FixPicture is a powerful free online utilty to convert graphic images.
La descarga directa de la versión full
aquí, mucha suerte.