<s>
pdftotext	B-Language
is	O
an	O
open-source	O
command-line	B-Application
utility	O
for	O
converting	O
PDF	B-Application
files	I-Application
to	O
plain	O
text	O
filesi.e.	O
</s>
<s>
extracting	O
text	O
data	O
from	O
PDF-encapsulated	O
files	O
.	O
</s>
<s>
It	O
is	O
freely	O
available	O
and	O
included	O
by	O
default	O
with	O
many	O
Linux	B-Application
distributions	I-Application
,	O
and	O
is	O
also	O
available	O
for	O
Windows	B-Application
as	O
part	O
of	O
the	O
Xpdf	B-Protocol
Windows	B-Application
port	O
.	O
</s>
<s>
Such	O
text	O
extraction	O
is	O
complicated	O
as	O
PDF	B-Application
files	I-Application
are	O
internally	O
built	O
on	O
page	O
drawing	O
primitives	O
,	O
meaning	O
the	O
boundaries	O
between	O
words	O
and	O
paragraphs	O
often	O
must	O
be	O
inferred	O
based	O
on	O
their	O
position	O
on	O
the	O
page	O
.	O
</s>
<s>
pdftotext	B-Language
is	O
part	O
of	O
the	O
Xpdf	B-Protocol
software	O
suite	O
.	O
</s>
<s>
Poppler	B-Language
,	O
which	O
is	O
derived	O
from	O
Xpdf	B-Protocol
,	O
also	O
includes	O
an	O
implementation	O
of	O
pdftotext	B-Language
.	O
</s>
<s>
On	O
most	O
Linux	B-Application
distributions	I-Application
,	O
pdftotext	B-Language
is	O
included	O
as	O
part	O
of	O
the	O
poppler-utils	O
package	O
.	O
</s>
