pdftk.1.html

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<title>PDFTK</title>

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<h1 align="center">PDFTK</h1>

<a href="#NAME">NAME</a><br>
<a href="#SYNOPSIS">SYNOPSIS</a><br>
<a href="#DESCRIPTION">DESCRIPTION</a><br>
<a href="#OPTIONS">OPTIONS</a><br>
<a href="#EXAMPLES">EXAMPLES</a><br>
<a href="#NOTES">NOTES</a><br>
<a href="#AUTHOR">AUTHOR</a><br>

<hr>


<h2>NAME
<a name="NAME"></a>
</h2>


<p style="margin-left:11%; margin-top: 1em">pdftk &minus; A
handy tool for manipulating PDF</p>

<h2>SYNOPSIS
<a name="SYNOPSIS"></a>
</h2>


<p style="margin-left:11%; margin-top: 1em"><b>pdftk</b>
<i>&lt;input PDF files | - | PROMPT&gt;</i> <br>
[ <b>input_pw</b> <i>&lt;input PDF owner passwords |
PROMPT&gt;</i> ] <br>
[ <i>&lt;operation&gt; &lt;operation arguments&gt;</i> ]
<br>
[ <b>output</b> <i>&lt;output filename | - | PROMPT&gt;</i>
] <br>
[ <b>encrypt_40bit</b> | <b>encrypt_128bit</b> ] <br>
[ <b>allow</b> <i>&lt;permissions&gt;</i> ] <br>
[ <b>owner_pw</b> <i>&lt;owner password | PROMPT&gt;</i> ]
<br>
[ <b>user_pw</b> <i>&lt;user password | PROMPT&gt;</i> ]
<br>
[ <b>flatten</b> ] [ <b>need_appearances</b> ] <br>
[ <b>compress</b> | <b>uncompress</b> ] <br>
[ <b>keep_first_id</b> | <b>keep_final_id</b> ] [
<b>drop_xfa</b> ] [ <b>drop_xmp</b> ] <br>
[ <b>verbose</b> ] [ <b>dont_ask</b> | <b>do_ask</b> ] <br>
Where: <i><br>
&lt;operation&gt;</i> may be empty, or: <br>
[ <b>cat</b> | <b>shuffle</b> | <b>burst</b> | <b>rotate</b>
| <b><br>
generate_fdf</b> | <b>fill_form</b> | <b><br>
background</b> | <b>multibackground</b> | <b><br>
stamp</b> | <b>multistamp</b> | <b><br>
dump_data</b> | <b>dump_data_utf8</b> | <b><br>
dump_data_fields</b> | <b>dump_data_fields_utf8</b> |
<b><br>
dump_data_annots</b> | <b><br>
update_info</b> | <b>update_info_utf8</b> | <b><br>
attach_files</b> | <b>unpack_files</b> ]</p>

<p style="margin-left:11%; margin-top: 1em">For Complete
Help: <b>pdftk --help</b></p>

<h2>DESCRIPTION
<a name="DESCRIPTION"></a>
</h2>


<p style="margin-left:11%; margin-top: 1em">If PDF is
electronic paper, then pdftk is an electronic
staple-remover, hole-punch, binder, secret-decoder-ring, and
X-Ray-glasses. Pdftk is a simple tool for doing everyday
things with PDF documents. Use it to:</p>

<p style="margin-left:11%; margin-top: 1em">* Merge PDF
Documents or Collate PDF Page Scans <br>
* Split PDF Pages into a New Document <br>
* Rotate PDF Documents or Pages <br>
* Decrypt Input as Necessary (Password Required) <br>
* Encrypt Output as Desired <br>
* Fill PDF Forms with X/FDF Data and/or Flatten Forms <br>
* Generate FDF Data Stencils from PDF Forms <br>
* Apply a Background Watermark or a Foreground Stamp <br>
* Report PDF Metrics, Bookmarks and Metadata <br>
* Add/Update PDF Bookmarks or Metadata <br>
* Attach Files to PDF Pages or the PDF Document <br>
* Unpack PDF Attachments <br>
* Burst a PDF Document into Single Pages <br>
* Uncompress and Re-Compress Page Streams <br>
* Repair Corrupted PDF (Where Possible)</p>

<h2>OPTIONS
<a name="OPTIONS"></a>
</h2>


<p style="margin-left:11%; margin-top: 1em">A summary of
options is included below. <b><br>
&minus;&minus;help</b>, <b>&minus;h</b></p>

<p style="margin-left:22%;">Show this summary of
options.</p>

<p style="margin-left:11%;"><b>&lt;input PDF files | - |
PROMPT&gt;</b></p>

<p style="margin-left:22%;">A list of the input PDF files.
If you plan to combine these PDFs (without using handles)
then list files in the order you want them combined. Use
<b>-</b> to pass a single PDF into pdftk via stdin. Input
files can be associated with handles, where a handle is one
or more upper-case letters:</p>

<p style="margin-left:22%; margin-top: 1em"><i>&lt;input
PDF handle&gt;</i><b>=</b><i>&lt;input PDF
filename&gt;</i></p>

<p style="margin-left:22%; margin-top: 1em">Handles are
often omitted. They are useful when specifying PDF passwords
or page ranges, later.</p>

<p style="margin-left:22%; margin-top: 1em">For example:
A=input1.pdf QT=input2.pdf M=input3.pdf</p>

<p style="margin-left:11%;"><b>[input_pw &lt;input PDF
owner passwords | PROMPT&gt;]</b></p>

<p style="margin-left:22%;">Input PDF owner passwords, if
necessary, are associated with files by using their
handles:</p>

<p style="margin-left:22%; margin-top: 1em"><i>&lt;input
PDF handle&gt;</i><b>=</b><i>&lt;input PDF file owner
password&gt;</i></p>

<p style="margin-left:22%; margin-top: 1em">If handles are
not given, then passwords are associated with input files by
order.</p>

<p style="margin-left:22%; margin-top: 1em">Most pdftk
features require that encrypted input PDF are accompanied by
the ~owner~ password. If the input PDF has no owner
password, then the user password must be given, instead. If
the input PDF has no passwords, then no password should be
given.</p>

<p style="margin-left:22%; margin-top: 1em">When running in
<b>do_ask</b> mode, pdftk will prompt you for a password if
the supplied password is incorrect or none was given.</p>

<p style="margin-left:11%;"><b>[&lt;operation&gt;
&lt;operation arguments&gt;]</b></p>

<p style="margin-left:22%;">Available operations are:
<b>cat</b>, <b>shuffle</b>, <b>burst</b>, <b>rotate</b>,
<b>generate_fdf</b>, <b>fill_form</b>, <b>background</b>,
<b>multibackground</b>, <b>stamp</b>, <b>multistamp</b>,
<b>dump_data</b>, <b>dump_data_utf8</b>,
<b>dump_data_fields</b>, <b>dump_data_fields_utf8</b>,
<b>dump_data_annots</b>, <b>update_info</b>,
<b>update_info_utf8</b>, <b>attach_files</b>,
<b>unpack_files</b>. Some operations takes additional
arguments, described below.</p>

<p style="margin-left:22%; margin-top: 1em">If this
optional argument is omitted, then pdftk runs in
&rsquo;filter&rsquo; mode. Filter mode takes only one PDF
input and creates a new PDF after applying all of the output
options, like encryption and compression.</p>

<p style="margin-left:15%;"><b>cat [&lt;page
ranges&gt;]</b></p>

<p style="margin-left:26%;">Assembles (catenates) pages
from input PDFs to create a new PDF. Use <b>cat</b> to merge
PDF pages or to split PDF pages from documents. You can also
use it to rotate PDF pages. Page order in the new PDF is
specified by the order of the given page ranges. Page ranges
are described like this:</p>

<p style="margin-left:26%; margin-top: 1em"><i>&lt;input
PDF handle&gt;</i>[<i>&lt;begin page
number&gt;</i>[<b>-</b><i>&lt;end page
number&gt;</i>[<i>&lt;qualifier&gt;</i>]]][<i>&lt;page
rotation&gt;</i>]</p>

<p style="margin-left:26%; margin-top: 1em">Where the
handle identifies one of the input PDF files, and the
beginning and ending page numbers are one-based references
to pages in the PDF file. The qualifier can be <b>even</b>
or <b>odd</b>, and the page rotation can be <b>north</b>,
<b>south</b>, <b>east</b>, <b>west</b>, <b>left</b>,
<b>right</b>, or <b>down</b>.</p>

<p style="margin-left:26%; margin-top: 1em">If a PDF handle
is given but no pages are specified, then the entire PDF is
used. If no pages are specified for any of the input PDFs,
then the input PDFs&rsquo; bookmarks are also merged and
included in the output.</p>

<p style="margin-left:26%; margin-top: 1em">If the handle
is omitted from the page range, then the pages are taken
from the first input PDF.</p>

<p style="margin-left:26%; margin-top: 1em">The <b>even</b>
qualifier causes pdftk to use only the even-numbered PDF
pages, so <b>1-6even</b> yields pages 2, 4 and 6 in that
order. <b>6-1even</b> yields pages 6, 4 and 2 in that
order.</p>

<p style="margin-left:26%; margin-top: 1em">The <b>odd</b>
qualifier works similarly to the <b>even</b>.</p>

<p style="margin-left:26%; margin-top: 1em">The page
rotation setting can cause pdftk to rotate pages and
documents. Each option sets the page rotation as follows (in
degrees): <b>north</b>: 0, <b>east</b>: 90, <b>south</b>:
180, <b>west</b>: 270, <b>left</b>: -90, <b>right</b>: +90,
<b>down</b>: +180. <b>left</b>, <b>right</b>, and
<b>down</b> make relative adjustments to a page&rsquo;s
rotation.</p>

<p style="margin-left:26%; margin-top: 1em">If no arguments
are passed to cat, then pdftk combines all input PDFs in the
order they were given to create the output.</p>

<p style="margin-left:26%; margin-top: 1em"><b>NOTES:</b>
<br>
* <i>&lt;end page number&gt;</i> may be less than
<i>&lt;begin page number&gt;</i>. <br>
* The keyword <b>end</b> may be used to reference the final
page of a document instead of a page number. <br>
* Reference a single page by omitting the ending page
number. <br>
* The handle may be used alone to represent the entire PDF
document, e.g., B1-end is the same as B. <br>
* You can reference page numbers in reverse order by
prefixing them with the letter <b>r</b>. For example, page
r1 is the last page of the document, r2 is the next-to-last
page of the document, and rend is the first page of the
document. You can use this prefix in ranges, too, for
example r3-r1 is the last three pages of a PDF.</p>

<p style="margin-left:26%; margin-top: 1em"><b>Page Range
Examples without Handles: <br>
1-endeast</b> - rotate entire document 90 degrees <b><br>
5 11 20</b> - take single pages from input PDF <b><br>
5-25oddwest</b> - take odd pages in range, rotate 90 degrees
<b><br>
6-1</b> - reverse pages in range from input PDF</p>

<p style="margin-left:26%; margin-top: 1em"><b>Page Range
Examples Using Handles:</b> <br>
Say <b>A=in1.pdf B=in2.pdf</b>, then: <b><br>
A1-21</b> - take range from in1.pdf <b><br>
Bend-1odd</b> - take all odd pages from in2.pdf in reverse
order <b><br>
A72</b> - take a single page from in1.pdf <b><br>
A1-21 Beven A72</b> - assemble pages from both in1.pdf and
in2.pdf <b><br>
Awest</b> - rotate entire in1.pdf document 90 degrees
<b><br>
B</b> - use all of in2.pdf <b><br>
A2-30evenleft</b> - take the even pages from the range,
remove 90 degrees from each page&rsquo;s rotation <b><br>
A A</b> - catenate in1.pdf with in1.pdf <b><br>
Aevenwest Aoddeast</b> - apply rotations to even pages, odd
pages from in1.pdf <b><br>
Awest Bwest Bdown</b> - catenate rotated documents</p>

<p style="margin-left:15%;"><b>shuffle [&lt;page
ranges&gt;]</b></p>

<p style="margin-left:26%;">Collates pages from input PDFs
to create a new PDF. Works like the <b>cat</b> operation
except that it takes one page at a time from each page range
to assemble the output PDF. If one range runs out of pages,
it continues with the remaining ranges. Ranges can use all
of the features described above for <b>cat</b>, like reverse
page ranges, multiple ranges from a single PDF, and page
rotation. This feature was designed to help collate PDF
pages after scanning paper documents.</p>

<table width="100%" border="0" rules="none" frame="void"
       cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="15%"></td>
<td width="8%">


<p><b>burst</b></p></td>
<td width="3%"></td>
<td width="74%">


<p>Splits a single input PDF document into individual
pages. Also creates a report named <b>doc_data.txt</b> which
is the same as the output from <b>dump_data</b>. If the
<b>output</b> section is omitted, then PDF pages are named:
pg_%04d.pdf, e.g.: pg_0001.pdf, pg_0002.pdf, etc. To name
these pages yourself, supply a printf-styled format string
via the <b>output</b> section. For example, if you want
pages named: page_01.pdf, page_02.pdf, etc., pass <b>output
page_%02d.pdf</b> to pdftk. Encryption can be applied to the
output by appending output options such as <b>owner_pw</b>,
e.g.:</p> </td></tr>
</table>

<p style="margin-left:26%; margin-top: 1em">pdftk in.pdf
burst owner_pw foopass</p>

<p style="margin-left:15%;"><b>rotate [&lt;page
ranges&gt;]</b></p>

<p style="margin-left:26%;">Takes a single input PDF and
rotates just the specified pages. All other pages remain
unchanged. The page order remains unchaged. Specify the
pages to rotate using the same notation as you would with
<b>cat</b>, except you omit the pages that you aren&rsquo;t
rotating:</p>

<p style="margin-left:26%; margin-top: 1em">[<i>&lt;begin
page number&gt;</i>[<b>-</b><i>&lt;end page
number&gt;</i>[<i>&lt;qualifier&gt;</i>]]][<i>&lt;page
rotation&gt;</i>]</p>

<p style="margin-left:26%; margin-top: 1em">The qualifier
can be <b>even</b> or <b>odd</b>, and the page rotation can
be <b>north</b>, <b>south</b>, <b>east</b>, <b>west</b>,
<b>left</b>, <b>right</b>, or <b>down</b>.</p>

<p style="margin-left:26%; margin-top: 1em">Each option
sets the page rotation as follows (in degrees):
<b>north</b>: 0, <b>east</b>: 90, <b>south</b>: 180,
<b>west</b>: 270, <b>left</b>: -90, <b>right</b>: +90,
<b>down</b>: +180. <b>left</b>, <b>right</b>, and
<b>down</b> make relative adjustments to a page&rsquo;s
rotation.</p>

<p style="margin-left:26%; margin-top: 1em">The given order
of the pages doesn&rsquo;t change the page order in the
output.</p>

<p style="margin-left:15%;"><b>generate_fdf</b></p>

<p style="margin-left:26%;">Reads a single input PDF file
and generates an FDF file suitable for <b>fill_form</b> out
of it to the given output filename or (if no output is
given) to stdout. Does not create a new PDF.</p>

<p style="margin-left:15%;"><b>fill_form &lt;FDF data
filename | XFDF data filename | - | PROMPT&gt;</b></p>

<p style="margin-left:26%;">Fills the single input
PDF&rsquo;s form fields with the data from an FDF file, XFDF
file or stdin. Enter the data filename after
<b>fill_form</b>, or use <b>-</b> to pass the data via
stdin, like so:</p>

<p style="margin-left:26%; margin-top: 1em">pdftk form.pdf
fill_form data.fdf output form.filled.pdf</p>

<p style="margin-left:26%; margin-top: 1em">If the input
FDF file includes Rich Text formatted data in addition to
plain text, then the Rich Text data is packed into the form
fields <i>as well as</i> the plain text. Pdftk also sets a
flag that cues Reader/Acrobat to generate new field
appearances based on the Rich Text data. So when the user
opens the PDF, the viewer will create the Rich Text
appearance on the spot. If the user&rsquo;s PDF viewer does
not support Rich Text, then the user will see the plain text
data instead. If you flatten this form before Acrobat has a
chance to create (and save) new field appearances, then the
plain text field data is what you&rsquo;ll see.</p>

<p style="margin-left:26%; margin-top: 1em">Also see the
<b>flatten</b> and <b>need_appearances</b> options.</p>

<p style="margin-left:15%;"><b>background &lt;background
PDF filename | - | PROMPT&gt;</b></p>

<p style="margin-left:26%;">Applies a PDF watermark to the
background of a single input PDF. Pass the background
PDF&rsquo;s filename after <b>background</b> like so:</p>

<p style="margin-left:26%; margin-top: 1em">pdftk in.pdf
background back.pdf output out.pdf</p>

<p style="margin-left:26%; margin-top: 1em">Pdftk uses only
the first page from the background PDF and applies it to
every page of the input PDF. This page is scaled and rotated
as needed to fit the input page. You can use <b>-</b> to
pass a background PDF into pdftk via stdin.</p>

<p style="margin-left:26%; margin-top: 1em">If the input
PDF does not have a transparent background (such as a PDF
created from page scans) then the resulting background
won&rsquo;t be visible -- use the <b>stamp</b> operation
instead.</p>

<p style="margin-left:15%;"><b>multibackground
&lt;background PDF filename | - | PROMPT&gt;</b></p>

<p style="margin-left:26%;">Same as the <b>background</b>
operation, but applies each page of the background PDF to
the corresponding page of the input PDF. If the input PDF
has more pages than the stamp PDF, then the final stamp page
is repeated across these remaining pages in the input
PDF.</p>

<p style="margin-left:15%;"><b>stamp &lt;stamp PDF filename
| - | PROMPT&gt;</b></p>

<p style="margin-left:26%;">This behaves just like the
<b>background</b> operation except it overlays the stamp PDF
page <i>on top</i> of the input PDF document&rsquo;s pages.
This works best if the stamp PDF page has a transparent
background.</p>

<p style="margin-left:15%;"><b>multistamp &lt;stamp PDF
filename | - | PROMPT&gt;</b></p>

<p style="margin-left:26%;">Same as the <b>stamp</b>
operation, but applies each page of the background PDF to
the corresponding page of the input PDF. If the input PDF
has more pages than the stamp PDF, then the final stamp page
is repeated across these remaining pages in the input
PDF.</p>

<p style="margin-left:15%;"><b>dump_data</b></p>

<p style="margin-left:26%;">Reads a single input PDF file
and reports its metadata, bookmarks (a/k/a outlines), page
metrics (media, rotation and labels), data embedded by
STAMPtk (see STAMPtk&rsquo;s <b>embed</b> option) and other
data to the given output filename or (if no output is given)
to stdout. Non-ASCII characters are encoded as XML numerical
entities. Does not create a new PDF.</p>

<p style="margin-left:15%;"><b>dump_data_utf8</b></p>

<p style="margin-left:26%;">Same as <b>dump_data</b>
excepct that the output is encoded as UTF-8.</p>

<p style="margin-left:15%;"><b>dump_data_fields</b></p>

<p style="margin-left:26%;">Reads a single input PDF file
and reports form field statistics to the given output
filename or (if no output is given) to stdout. Non-ASCII
characters are encoded as XML numerical entities. Does not
create a new PDF.</p>


<p style="margin-left:15%;"><b>dump_data_fields_utf8</b></p>

<p style="margin-left:26%;">Same as <b>dump_data_fields</b>
excepct that the output is encoded as UTF-8.</p>

<p style="margin-left:15%;"><b>dump_data_annots</b></p>

<p style="margin-left:26%;"><b>This operation currently
reports only link annotations.</b> Reads a single input PDF
file and reports annotation information to the given output
filename or (if no output is given) to stdout. Non-ASCII
characters are encoded as XML numerical entities. Does not
create a new PDF.</p>

<p style="margin-left:15%;"><b>update_info &lt;info data
filename | - | PROMPT&gt;</b></p>

<p style="margin-left:26%;">Changes the bookmarks and
metadata in a single PDF&rsquo;s Info dictionary to match
the input data file. The input data file uses the same
syntax as the output from <b>dump_data</b>. Non-ASCII
characters should be encoded as XML numerical entities.</p>

<p style="margin-left:26%; margin-top: 1em">This operation
does not change the metadata stored in the PDF&rsquo;s XMP
stream, if it has one. (For this reason you should include a
<b>ModDate</b> entry in your updated info with a current
date/timestamp, format: <b>D:YYYYMMDDHHmmSS</b>, e.g.
D:201307241346 -- omitted data after YYYY revert to default
values.)</p>

<p style="margin-left:26%; margin-top: 1em">For
example:</p>

<p style="margin-left:26%; margin-top: 1em">pdftk in.pdf
update_info in.info output out.pdf</p>

<p style="margin-left:15%;"><b>update_info_utf8 &lt;info
data filename | - | PROMPT&gt;</b></p>

<p style="margin-left:26%;">Same as <b>update_info</b>
except that the input is encoded as UTF-8.</p>

<p style="margin-left:15%;"><b>attach_files &lt;attachment
filenames | PROMPT&gt; [to_page &lt;page number | <br>
PROMPT&gt;]</b></p>

<p style="margin-left:26%;">Packs arbitrary files into a
PDF using PDF&rsquo;s file attachment features. More than
one attachment may be listed after <b>attach_files</b>.
Attachments are added at the document level unless the
optional <b>to_page</b> option is given, in which case the
files are attached to the given page number (the first page
is 1, the final page is <b>end</b>). For example:</p>

<p style="margin-left:26%; margin-top: 1em">pdftk in.pdf
attach_files table1.html table2.html to_page 6 output
out.pdf</p>

<p style="margin-left:15%;"><b>unpack_files</b></p>

<p style="margin-left:26%;">Copies all of the attachments
from the input PDF into the current folder or to an output
directory given after <b>output</b>. For example:</p>

<p style="margin-left:26%; margin-top: 1em">pdftk
report.pdf unpack_files output ~/atts/</p>

<p style="margin-left:26%; margin-top: 1em">or,
interactively:</p>

<p style="margin-left:26%; margin-top: 1em">pdftk
report.pdf unpack_files output PROMPT</p>

<p style="margin-left:11%;"><b>[output &lt;output filename
| - | PROMPT&gt;]</b></p>

<p style="margin-left:22%;">The output PDF filename may not
be set to the name of an input filename. Use <b>-</b> to
output to stdout. When using the <b>dump_data</b> operation,
use <b>output</b> to set the name of the output data file.
When using the <b>unpack_files</b> operation, use
<b>output</b> to set the name of an output directory. When
using the <b>burst</b> operation, you can use <b>output</b>
to control the resulting PDF page filenames (described
above).</p>

<p style="margin-left:11%;"><b>[encrypt_40bit |
encrypt_128bit]</b></p>

<p style="margin-left:22%;">If an output PDF user or owner
password is given, output PDF encryption strength defaults
to 128 bits. This can be overridden by specifying
encrypt_40bit.</p>

<p style="margin-left:11%;"><b>[allow
&lt;permissions&gt;]</b></p>

<p style="margin-left:22%;">Permissions are applied to the
output PDF only if an encryption strength is specified or an
owner or user password is given. If permissions are not
specified, they default to &rsquo;none,&rsquo; which means
all of the following features are disabled.</p>

<p style="margin-left:22%; margin-top: 1em">The
<b>permissions</b> section may include one or more of the
following features: <b><br>
Printing</b></p>

<p style="margin-left:32%;">Top Quality Printing</p>

<p style="margin-left:22%;"><b>DegradedPrinting</b></p>

<p style="margin-left:32%;">Lower Quality Printing</p>

<p style="margin-left:22%;"><b>ModifyContents</b></p>

<p style="margin-left:32%;">Also allows Assembly</p>

<p style="margin-left:22%;"><b>Assembly <br>
CopyContents</b></p>

<p style="margin-left:32%;">Also allows ScreenReaders</p>

<p style="margin-left:22%;"><b>ScreenReaders <br>
ModifyAnnotations</b></p>

<p style="margin-left:32%;">Also allows FillIn</p>

<table width="100%" border="0" rules="none" frame="void"
       cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="22%"></td>
<td width="9%">


<p><b>FillIn</b></p></td>
<td width="69%">
</td></tr>
</table>

<p style="margin-left:22%;"><b>AllFeatures</b></p>

<p style="margin-left:32%;">Allows the user to perform all
of the above, and top quality printing.</p>

<p style="margin-left:11%;"><b>[owner_pw &lt;owner password
| PROMPT&gt;] <br>
[user_pw &lt;user password | PROMPT&gt;]</b></p>

<p style="margin-left:22%;">If an encryption strength is
given but no passwords are supplied, then the owner and user
passwords remain empty, which means that the resulting PDF
may be opened and its security parameters altered by
anybody.</p>

<p style="margin-left:11%;"><b>[compress |
uncompress]</b></p>

<p style="margin-left:22%;">These are only useful when you
want to edit PDF code in a text editor like vim or emacs.
Remove PDF page stream compression by applying the
<b>uncompress</b> filter. Use the <b>compress</b> filter to
restore compression.</p>

<p style="margin-left:11%;"><b>[flatten]</b></p>

<p style="margin-left:22%;">Use this option to merge an
input PDF&rsquo;s interactive form fields (and their data)
with the PDF&rsquo;s pages. Only one input PDF may be given.
Sometimes used with the <b>fill_form</b> operation.</p>

<p style="margin-left:11%;"><b>[need_appearances]</b></p>

<p style="margin-left:22%;">Sets a flag that cues
Reader/Acrobat to generate new field appearances based on
the form field values. Use this when filling a form with
non-ASCII text to ensure the best presentation in Adobe
Reader or Acrobat. It won&rsquo;t work when combined with
the <b>flatten</b> option.</p>

<p style="margin-left:11%;"><b>[keep_first_id |
keep_final_id]</b></p>

<p style="margin-left:22%;">When combining pages from
multiple PDFs, use one of these options to copy the document
ID from either the first or final input document into the
new output PDF. Otherwise pdftk creates a new document ID
for the output PDF. When no operation is given, pdftk always
uses the ID from the (single) input PDF.</p>

<p style="margin-left:11%;"><b>[drop_xfa]</b></p>

<p style="margin-left:22%;">If your input PDF is a form
created using Acrobat 7 or Adobe Designer, then it probably
has XFA data. Filling such a form using pdftk yields a PDF
with data that fails to display in Acrobat 7 (and 6?). The
workaround solution is to remove the form&rsquo;s XFA data,
either before you fill the form using pdftk or at the time
you fill the form. Using this option causes pdftk to omit
the XFA data from the output PDF form.</p>

<p style="margin-left:22%; margin-top: 1em">This option is
only useful when running pdftk on a single input PDF. When
assembling a PDF from multiple inputs using pdftk, any XFA
data in the input is automatically omitted.</p>

<p style="margin-left:11%;"><b>[drop_xmp]</b></p>

<p style="margin-left:22%;">Many PDFs store document
metadata using both an Info dictionary (old school) and an
XMP stream (new school). Pdftk&rsquo;s <b>update_info</b>
operation can update the Info dictionary, but not the XMP
stream. The proper remedy for this is to include a
<b>ModDate</b> entry in your updated info with a current
date/timestamp. The date/timestamp format is:
<b>D:YYYYMMDDHHmmSS</b>, e.g. D:201307241346 -- omitted data
after YYYY revert to default values. This newer ModDate
should cue PDF viewers that the Info metadata is more
current than the XMP data.</p>

<p style="margin-left:22%; margin-top: 1em">Alternatively,
you might prefer to remove the XMP stream from the PDF
altogether -- that&rsquo;s what this option does. Note that
objects inside the PDF might have their own, separate XMP
metadata streams, and that <b>drop_xmp</b> does not remove
those. It only removes the PDF&rsquo;s document-level XMP
stream.</p>

<p style="margin-left:11%;"><b>[verbose]</b></p>

<p style="margin-left:22%;">By default, pdftk runs quietly.
Append <b>verbose</b> to the end and it will speak up.</p>

<p style="margin-left:11%;"><b>[dont_ask | do_ask]</b></p>

<p style="margin-left:22%;">Depending on the compile-time
settings (see ASK_ABOUT_WARNINGS), pdftk might prompt you
for further input when it encounters a problem, such as a
bad password. Override this default behavior by adding
<b>dont_ask</b> (so pdftk won&rsquo;t ask you what to do) or
<b>do_ask</b> (so pdftk will ask you what to do).</p>

<p style="margin-left:22%; margin-top: 1em">When running in
<b>dont_ask</b> mode, pdftk will over-write files with its
output without notice.</p>

<h2>EXAMPLES
<a name="EXAMPLES"></a>
</h2>


<p style="margin-left:11%; margin-top: 1em"><b>Collate
scanned pages</b></p>

<p style="margin-left:14%;">pdftk A=even.pdf B=odd.pdf
shuffle A B output collated.pdf <br>
or if odd.pdf is in reverse order: <br>
pdftk A=even.pdf B=odd.pdf shuffle A Bend-1 output
collated.pdf</p>

<p style="margin-left:11%;"><b>Decrypt a PDF</b></p>

<p style="margin-left:14%;">pdftk secured.pdf input_pw
foopass output unsecured.pdf</p>

<p style="margin-left:11%;"><b>Encrypt a PDF using 128-bit
strength (the default), withhold all <br>
permissions (the default)</b></p>

<p style="margin-left:14%;">pdftk 1.pdf output 1.128.pdf
owner_pw foopass</p>

<p style="margin-left:11%;"><b>Same as above, except
password &rsquo;baz&rsquo; must also be used to open output
<br>
PDF</b></p>

<p style="margin-left:14%;">pdftk 1.pdf output 1.128.pdf
owner_pw foo user_pw baz</p>

<p style="margin-left:11%;"><b>Same as above, except
printing is allowed (once the PDF is open)</b></p>

<p style="margin-left:14%;">pdftk 1.pdf output 1.128.pdf
owner_pw foo user_pw baz allow printing</p>

<p style="margin-left:11%;"><b>Join in1.pdf and in2.pdf
into a new PDF, out1.pdf</b></p>

<p style="margin-left:14%;">pdftk in1.pdf in2.pdf cat
output out1.pdf <br>
or (using handles): <br>
pdftk A=in1.pdf B=in2.pdf cat A B output out1.pdf <br>
or (using wildcards): <br>
pdftk *.pdf cat output combined.pdf</p>

<p style="margin-left:11%;"><b>Remove page 13 from in1.pdf
to create out1.pdf</b></p>

<p style="margin-left:14%;">pdftk in.pdf cat 1-12 14-end
output out1.pdf <br>
or: <br>
pdftk A=in1.pdf cat A1-12 A14-end output out1.pdf</p>

<p style="margin-left:11%;"><b>Apply 40-bit encryption to
output, revoking all permissions (the <br>
default). Set the owner PW to &rsquo;foopass&rsquo;.</b></p>

<p style="margin-left:14%;">pdftk 1.pdf 2.pdf cat output
3.pdf encrypt_40bit owner_pw foopass</p>

<p style="margin-left:11%;"><b>Join two files, one of which
requires the password &rsquo;foopass&rsquo;. The <br>
output is not encrypted.</b></p>

<p style="margin-left:14%;">pdftk A=secured.pdf 2.pdf
input_pw A=foopass cat output 3.pdf</p>

<p style="margin-left:11%;"><b>Uncompress PDF page streams
for editing the PDF in a text editor (e.g., <br>
vim, emacs)</b></p>

<p style="margin-left:14%;">pdftk doc.pdf output
doc.unc.pdf uncompress</p>

<p style="margin-left:11%;"><b>Repair a PDF&rsquo;s
corrupted XREF table and stream lengths, if possible</b></p>

<p style="margin-left:14%;">pdftk broken.pdf output
fixed.pdf</p>

<p style="margin-left:11%;"><b>Burst a single PDF document
into pages and dump its data to <br>
doc_data.txt</b></p>

<p style="margin-left:14%;">pdftk in.pdf burst</p>

<p style="margin-left:11%;"><b>Burst a single PDF document
into encrypted pages. Allow low-quality <br>
printing</b></p>

<p style="margin-left:14%;">pdftk in.pdf burst owner_pw
foopass allow DegradedPrinting</p>

<p style="margin-left:11%;"><b>Write a report on PDF
document metadata and bookmarks to report.txt</b></p>

<p style="margin-left:14%;">pdftk in.pdf dump_data output
report.txt</p>

<p style="margin-left:11%;"><b>Rotate the first PDF page to
90 degrees clockwise</b></p>

<p style="margin-left:14%;">pdftk in.pdf cat 1east 2-end
output out.pdf</p>

<p style="margin-left:11%;"><b>Rotate an entire PDF
document to 180 degrees</b></p>

<p style="margin-left:14%;">pdftk in.pdf cat 1-endsouth
output out.pdf</p>

<h2>NOTES
<a name="NOTES"></a>
</h2>


<p style="margin-left:11%; margin-top: 1em">The pdftk home
page permalink is: <br>
http://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/ <br>
The easy-to-remember shortcut is: www.pdftk.com</p>

<h2>AUTHOR
<a name="AUTHOR"></a>
</h2>


<p style="margin-left:11%; margin-top: 1em">Sid Steward
(sid.steward at pdflabs dot com) maintains pdftk. Please
email him with questions or bug reports. Include pdftk in
the subject line to ensure successful delivery. Thank
you.</p>
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