crunchjpgs.pl1p
Compress all jpg images in a pdf
Usage
crunchjpgs.pl [options]
infile.pdf
[outfile.pdf]
Options: -j
--justjpgs
make
script
skip
non-JPGs
-q
--quality
select
JPG
output
quality
(default
50)
-s
--scale=num
select
a
rescaling
factor
for
the
JPGs
(default
100%)
-m
--scalemin=size
don't
scale
JPGs
smaller
than
this
pixel
size
(width
or
height)
-O
--only=imnum
only
change
the
specified
images
(can
be
used
mutliple
times)
-S
--skip=imnum
don't
change
the
specified
images
(can
be
used
mutliple
times)
-o
--order
preserve
the
internal
PDF
ordering
for
output
--veryverbose
increases
the
verbosity
-v
--verbose
print
diagnostic
messages
-h
--help
verbose
help
message
-V
--version
print
CAM::PDF
version
The available
values
for
--scale
are:
1 100%
2 50%
4 25%
8 12.5%
Overview
Requires the ImageMagick convert program to be available
Tweak all of the JPG images embedded in a PDF to reduce their size. This reduction can come from increasing the compression and/or rescaling the whole image. Various options give you full control over which images are altered.