I already read the thread how to merge epub files but Is there any way by which I can merge different pdf files into one. Earlier I have tried an app for this purpose but I lost all my pdf files after merging.
For serious work with PDF, you can't stay away from Adobe Acrobat… still…
You might also look at Nitro.
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If Acrobat's price is a bit steep, Foxit's PhantomPDF offers similar functionality for a more reasonable price. I used it extensively at a previous job and highly recommend it. – Nathan Osman Mar 26 '15 at 21:59
After a long search, I have downloaded PDFmate to merge pdf files. It works nice. It is free as well as from a verified publisher.
Use pdftk
:
pdftk file1.pdf file2.pdf cat output combined.pdf
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1I downloaded pdftk but it shows that its source is unknown and it is no safe to run programs from unknown sources as it can harm your computer. – Vibhu Mar 14 '15 at 14:56
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@Vibhu I just installed it with
apt-get install pdftk
on my Linux machine. You should install a VM if you are running Windows (or abandon Windows completely if your security concerns are serious). – Anthon Mar 14 '15 at 15:09
You can use
Sejda also offers a command line version, free and open source.
Disclaimer: I'm one of the authors of all of them.
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After downloading PDFsam, when I run it, will the computer show that its source is unknown and it is not safe to run programs from unknown source? Or will it have any verified digital signature? – Vibhu Mar 16 '15 at 19:58
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If you use OS X then the included Preview.app allows merging.
Open up one pdf file and then choose via the menus Edit->Insert->Page From File...
This prompts for a file - choose the second pdf and it adds all the pages from it to the original.
I highly recommend you to use PDFsam, which also happens to be OpenSource (in its Basic installment). Here's a guide explaining what it can do, with a strong focus on the Alternate Mix feature which is one of its major strenghts.