<s>
IrfanView	B-Protocol
(	O
)	O
is	O
an	O
image	B-Application
viewer	I-Application
,	O
editor	O
,	O
organiser	O
and	O
converter	O
program	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
IrfanView	B-Protocol
is	O
free	O
for	O
non-commercial	O
use	O
;	O
commercial	O
use	O
requires	O
paid	O
registration	O
.	O
</s>
<s>
IrfanView	B-Protocol
is	O
named	O
after	O
its	O
creator	O
,	O
Irfan	B-Protocol
Škiljan	I-Protocol
,	O
from	O
Jajce	O
,	O
Bosnia	O
and	O
Herzegovina	O
,	O
living	O
in	O
Vienna	O
.	O
</s>
<s>
The	O
current	O
version	O
of	O
IrfanView	B-Protocol
,	O
4.62	O
,	O
works	O
under	O
all	O
versions	O
of	O
Windows	O
from	O
Windows	B-Application
XP	I-Application
to	O
Windows	B-Application
11	I-Application
.	O
</s>
<s>
Version	O
4.44	O
and	O
older	O
versions	O
were	O
compatible	O
with	O
Windows	O
95/98/ME	O
and	O
can	O
also	O
be	O
run	O
in	O
Linux	B-Application
under	O
Wine	B-Application
and	O
in	O
macOS	B-Application
using	O
WineBottler	B-Application
.	O
</s>
<s>
IrfanView	B-Protocol
is	O
specifically	O
optimized	O
for	O
fast	O
image	O
display	O
and	O
loading	O
times	O
.	O
</s>
<s>
It	O
supports	O
viewing	O
and	O
saving	O
of	O
numerous	O
file	O
types	O
including	O
image	O
formats	O
such	O
as	O
BMP	B-Device
,	O
GIF	O
,	O
JPEG	O
,	O
JP2	O
&	O
JPM	O
(	O
JPEG2000	O
)	O
,	O
PNG	O
(	O
includes	O
the	O
optimizer	O
OptiPNG	B-Application
;	O
APNG	O
can	O
be	O
read	O
)	O
,	O
TIFF	O
,	O
raw	B-Application
photo	I-Application
formats	I-Application
from	O
digital	O
cameras	O
,	O
ECW	O
(	O
Enhanced	O
Compressed	O
Wavelet	O
)	O
,	O
EMF	O
(	O
Enhanced	O
Windows	O
Metafile	O
)	O
,	O
FSH	O
(	O
EA	O
Sports	O
format	O
)	O
,	O
ICO	O
(	O
Windows	O
icon	O
)	O
,	O
PCX	O
(	O
Zsoft	O
Paintbrush	O
)	O
,	O
PBM	B-Language
(	O
Portable	O
BitMap	O
)	O
,	O
PDF	B-Application
(	O
Portable	B-Application
Document	I-Application
Format	I-Application
)	O
,	O
PGM	O
(	O
Portable	O
GrayMap	O
)	O
,	O
PPM	O
(	O
Portable	O
PixelMap	O
)	O
,	O
TGA	O
(	O
Truevision	O
Targa	O
)	O
,	O
WebP	O
,	O
FLIF	O
(	O
Free	O
Lossless	O
Image	O
Format	O
)	O
and	O
viewing	O
of	O
media	O
files	O
such	O
as	O
Flash	B-Operating_System
,	O
Ogg	B-Algorithm
Vorbis	I-Algorithm
,	O
MPEG	O
,	O
MP3	B-Application
,	O
MIDI	O
,	O
and	O
text	B-General_Concept
files	I-General_Concept
.	O
</s>
<s>
Many	O
of	O
these	O
changes	O
can	O
be	O
applied	O
to	O
multiple	O
images	O
in	O
one	O
operation	O
using	O
batch	B-General_Concept
processing	I-General_Concept
.	O
</s>
<s>
A	O
plugin	O
allows	O
IrfanView	B-Protocol
to	O
support	O
lossless	O
JPG	O
operations	O
:	O
horizontal	O
or	O
vertical	O
flip	O
,	O
rotation	O
by	O
90°	O
increments	O
,	O
and	O
cropping	O
.	O
</s>
<s>
IrfanView	B-Protocol
uses	O
plugins	O
to	O
handle	O
several	O
additional	O
images	O
,	O
video	O
,	O
and	O
sound	O
formats	O
and	O
to	O
add	O
optional	O
functionality	O
such	O
as	O
filter	O
processing	O
or	O
other	O
program	O
features	O
.	O
</s>
<s>
Prior	O
to	O
version	O
4.41	O
installer	O
versions	O
of	O
IrfanView	B-Protocol
supported	O
a	O
number	O
of	O
browser	B-Protocol
toolbars	I-Protocol
.	O
</s>
<s>
Irfanview	B-Protocol
has	O
been	O
positively	O
reviewed	O
as	O
"	O
really	O
good	O
"	O
for	O
easily	O
and	O
rapidly	O
viewing	O
and	O
manipulating	O
images	O
,	O
with	O
its	O
editing	O
and	O
drawing	O
tools	O
.	O
</s>
<s>
In	O
a	O
series	O
of	O
image	O
quality	O
tests	O
conducted	O
in	O
2004	O
,	O
compared	O
with	O
commercial	O
image	O
compressors	O
and	O
Adobe	B-Operating_System
Photoshop	I-Operating_System
7	O
,	O
Irfanview	B-Protocol
3.91	O
produced	O
"	O
consistently	O
better	O
images	O
than	O
the	O
Adobe	B-Operating_System
Photoshop	I-Operating_System
JPEG	O
encoder	O
at	O
the	O
same	O
data	O
rate	O
"	O
,	O
and	O
its	O
JPEG2000	O
compression	O
quality	O
"	O
closely	O
followed	O
"	O
the	O
best	O
codec	O
,	O
JasPer.	O
"	O
</s>
<s>
According	O
to	O
IrfanView	B-Protocol
's	O
official	O
website	O
,	O
since	O
2003	O
,	O
IrfanView	B-Protocol
has	O
been	O
downloaded	O
over	O
1	O
million	O
times	O
per	O
month	O
.	O
</s>
<s>
One	O
independent	O
review	O
in	O
2017	O
described	O
Irfanview	B-Protocol
,	O
as	O
"	O
the	O
Swiss	O
Army	O
Knife	O
of	O
image	B-Application
viewers	I-Application
"	O
.	O
</s>
<s>
Irfan	B-Protocol
Škiljan	I-Protocol
graduated	O
from	O
the	O
Vienna	O
University	O
of	O
Technology	O
.	O
</s>
<s>
According	O
to	O
Škiljan	O
,	O
the	O
IrfanView	B-Protocol
logo	O
and	O
mascot	O
is	O
a	O
"	O
road	B-Application
cat	O
"	O
(	O
there	O
is	O
a	O
tire	O
track	O
across	O
the	O
smallest	O
and	O
the	O
biggest	O
icon	O
for	O
Windows	O
Explorer	O
,	O
as	O
well	O
as	O
the	O
version	O
for	O
Microsoft	O
Store	O
)	O
but	O
that	O
he	O
"	O
likes	O
cats	O
"	O
,	O
and	O
the	O
icon	O
is	O
"	O
a	O
joke	O
"	O
–	O
the	O
IrfanView	B-Protocol
website	O
pictures	O
him	O
holding	O
a	O
white	O
domestic	O
cat	O
.	O
</s>
