How to merge many PDF files into a single one

Question

I have 16 pdfs that I want to convert into a single one    I am on Ubuntu 10 10  how can I do it

User · Answer

You can also use Ghostscript to merge different PDFs. You can even use it to merge a mix of PDFs, PostScript (PS) and EPS into one single output PDF file:

gs \
  -o merged.pdf \
  -sDEVICE=pdfwrite \
  -dPDFSETTINGS=/prepress \
   input_1.pdf \
   input_2.pdf \
   input_3.eps \
   input_4.ps \
   input_5.pdf

However, I agree with other answers: for your use case of merging PDF file types only, pdftk may be the best (and certainly fastest) option.

Update:
If processing time is not the main concern, but if the main concern is file size (or a fine-grained control over certain features of the output file), then the Ghostscript way certainly offers more power to you. To highlight a few of the differences:

Ghostscript can 'consolidate' the fonts of the input files which leads to a smaller file size of the output. It also can re-sample images, or scale all pages to a different size, or achieve a controlled color conversion from RGB to CMYK (or vice versa) should you need this (but that will require more CLI options than outlined in above command).
pdftk will just concatenate each file, and will not convert any colors. If each of your 16 input PDFs contains 5 subsetted fonts, the resulting output will contain 80 subsetted fonts. The resulting PDF's size is (nearly exactly) the sum of the input file bytes.

User · Answer

Also seem pdfjam  http   www2 warwick ac uk fac sci statistics staff academic firth software pdfjam

User · Answer

You can use http   www mergepdf net  for example  Or   PDFTK http   www pdflabs com tools pdftk-the-pdf-toolkit   If you are NOT on Ubuntu and you have the same problem  and you wanted to start a new topic on SO and SO suggested to have a look at this question  you can also do it like this   Things You ll Need     Full Version of Adobe Acrobat    Open all the  pdf files you wish to merge  These can be minimized on your desktop as individual tabs  Pull up what you wish to be the first page of your merged document  Click the  Combine Files  icon on the top left portion of the screen  The  Combine Files  window that pops up is divided into three sections  The first section is titled   Choose the files you wish to combine   Select the  Add Open Files  option  Select the other open  pdf documents on your desktop when prompted  Rearrange the documents as you wish in the second window  titled   Arrange the files in the order you want them to appear in the new PDF  The final window  titled   Choose a file size and conversion setting  allows you to control the size of your merged PDF document  Consider the purpose of your new document  If its to be sent as an e-mail attachment  use a low size setting  If the PDF contains images or is to be used for presentation  choose a high setting  When finished  select  Next   A final choice  choose between either a single PDF document  or a PDF package  which comes with the option of creating a specialized cover sheet  When finished  hit  Create   and save to your preferred location    Tips  amp  Warnings    Double check the PDF documents prior to merging to make sure all pertinent information is included  Its much easier to re-create a single PDF page than a multi-page document

User · Answer

First  get Pdftk   sudo apt-get install pdftk   Now  as shown on example page  use  pdftk 1 pdf 2 pdf 3 pdf cat output 123 pdf   for merging pdf files into one

User · Answer

There are lots of free tools that can do this   I use PDFTK  a open source cross-platform command-line tool  for things like that

[pdf] How to merge many PDF files into a single one?

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