Merge

Merge 2 or more PDF files into outFile. Have a look at some examples.

Usage

pdfcpu merge [-m(ode) create|append|zip] [-s(ort) -b(ookmarks) -d(ivider) -opt(imize)] outFile inFile...

Flags

name	description	default	required
m(ode)	create, append, zip	create	no
s(ort)	sort inFiles if present	unsorted	no
b(ookmarks)	create bookmarks	yes	no
d(ivider)	insert separator between merged docs	no	no
opt(imize)	optimize before writing	yes	no

Common Flags

name	description	values
v(erbose)	turn on logging
vv	verbose logging
q(uiet)	quiet mode
-o(ffline)	disable http traffic
c(onf)	config dir	$path, disable
opw	owner password
upw	user password
u(nit)	display unit	po(ints),in(ches),cm,mm

Arguments

name	description	required
outFile	PDF output file	yes
inFile…	at least 2 PDF input files subject to concatenation	yes

Restrictions

The following PDF elements are not carried over into the merged document:

• Struct Trees

Examples

pdfcpu respects the order of the provided input files and merges accordingly. Merge three input files into out.pdf by concatenating in3.pdf to in2.pdf and the result to in1.pdf:

$ pdfcpu merge out.pdf in1.pdf in2.pdf in3.pdf

Merge all PDF Files in the current directory into out.pdf and don’t create bookmarks:

$ pdfcpu merge -b=f out.pdf *.pdf

Merge some PDF files into an existing PDF file out.pdf and create divider pages between the merged docuements:

$ pdfcpu merge -mode append -divider out.pdf in1.pdf in2.pdf in3.pdf

Zip two files together (eg. like in 1a,1b,2a,2b..):

$ pdfcpu merge -mode zip out.pdf a.pdf b.pdf