IrfanView is a universal photo viewer and converter with support for hundreds of image formats. This application comes loaded with plugins for opening common as well as rare formats including RAW images; you can also install additional plugins by copying appropriate DLL files... (
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The program works with the following extensions:
jpg,
mp3,
png,
ico,
psd,
swf,
wmf,
wma,
wmv,
bmp,
gif,
avi,
flv,
jpeg,
djvu,
ra,
g3,
mov,
qt,
au,
dcx,
fpx,
ogg,
fsh,
hdp,
icl,
mpe,
j2k,
eps,
jng,
psp,
jpc,
tga,
jpm,
mpg,
jp2,
raw,
ttf,
mng,
med,
rmi,
snd,
lbm,
tif,
xpm,
cr2,
ngg,
pgm,
sid,
crw,
nlm,
wav,
ppm,
ldf,
exr,
nol,
ras,
gsm,
lwf,
mos,
sff,
rgb,
ics,
sfw,
pbm,
cpt,
ima,
sgi,
swd,
aif,
pcd,
jpf,
dib,
sun,
mpv,
acr,
asf,
pcx,
swt,
emf,
b3d,
ani,
lds,
wdp,
xbm,
dcm,
cam,
jpe,
kdc,
dds,
mid,
clp,
cur,
img,
ecw,
iw44,
mpeg,
tiff,
wbmp and
midi