<s>
GoodReader	B-Language
is	O
an	O
iOS	B-Application
application	O
used	O
to	O
primarily	O
edit	O
PDF	B-Application
documents	I-Application
.	O
</s>
<s>
GoodReader	B-Language
supports	O
opening	O
and	O
viewing	O
numerous	O
file	O
types	O
,	O
including	O
most	O
document	O
and	O
video	B-General_Concept
file	I-General_Concept
formats	I-General_Concept
,	O
including	O
HTML	O
,	O
audiobooks	O
,	O
and	O
pictures	O
.	O
</s>
<s>
PDF	B-Application
files	I-Application
can	O
be	O
annotated	O
and	O
manipulated	O
by	O
the	O
user	O
.	O
</s>
<s>
Syncing	O
with	O
various	O
cloud	O
storage	O
services	O
including	O
Box	O
,	O
Dropbox	B-Application
,	O
Google	B-Application
Drive	I-Application
and	O
iCloud	O
Drive	O
is	O
also	O
supported	O
.	O
</s>
<s>
GoodReader	B-Language
can	O
also	O
read	O
PDF	B-Application
documents	I-Application
aloud	O
using	O
text-to-speech	B-Application
.	O
</s>
<s>
GoodReader	B-Language
was	O
first	O
released	O
by	O
Good.iWare	O
in	O
2009	O
.	O
</s>
<s>
In	O
2014	O
,	O
GoodReader	B-Language
4	O
was	O
released	O
as	O
a	O
major	O
update	O
.	O
</s>
<s>
Unlike	O
previous	O
updates	O
,	O
GoodReader	B-Language
4	O
was	O
released	O
as	O
a	O
new	O
application	O
,	O
meaning	O
that	O
users	O
would	O
have	O
to	O
re-purchase	O
the	O
app	O
from	O
the	O
App	O
Store	O
if	O
they	O
previously	O
owned	O
the	O
product	O
.	O
</s>
<s>
The	O
update	O
added	O
multiple	O
features	O
including	O
the	O
ability	O
to	O
manipulate	O
PDF	B-Application
files	I-Application
,	O
manage	O
document	O
pages	O
,	O
and	O
view	O
page	O
previews	O
.	O
</s>
<s>
GoodReader	B-Language
4	O
supports	O
migrating	O
data	O
from	O
previously	O
installed	O
versions	O
of	O
the	O
app	O
.	O
</s>
<s>
On	O
January	O
28	O
,	O
2019	O
,	O
GoodReader	B-Language
5	O
was	O
released	O
as	O
a	O
major	O
update	O
.	O
</s>
<s>
This	O
update	O
included	O
an	O
overhauled	O
UI	O
,	O
support	O
for	O
the	O
Apple	O
Pencil	O
2	O
,	O
AES-256	B-Algorithm
encryption	O
,	O
and	O
other	O
general	O
security	O
features	O
.	O
</s>
