merge command is used to pick out pages from two or more files and merge them into a new output file.
mutool merge [-o output.pdf] [-O options] input.pdf [pages] [input2.pdf] [pages2] ...
Command line parameters within square brackets
 are optional.
The output filename. Defaults to “out.pdf” if not supplied.
Comma separated list of output options.
decompressDecompress all streams (except compress-fonts/images).
compressCompress all streams.
compress-fontsCompress embedded fonts.
asciiASCII hex encode binary streams.
prettyPretty-print objects with indentation.
linearizeOptimize for web browsers.
cleanPretty-print graphics commands in content streams.
sanitizeSanitize graphics commands in content streams.
incrementalWrite changes as incremental update.
continue-on-errorContinue saving the document even if there is an error.
garbageGarbage collect unused objects.
garbage=compact… and compact cross reference table.
garbage=deduplicate… and remove duplicate objects.
decryptWrite unencrypted document.
encrypt=rc4-40|rc4-128|aes-128|aes-256Write encrypted document.
permissions=NUMBERDocument permissions to grant when encrypting.
user-password=PASSWORDPassword required to read document.
owner-password=PASSWORDPassword required to edit document.
regenerate-idRegenerate document id (default yes).
The first document.
Comma separated list of page ranges for the first document (
input.pdf). The first page is “1”, and the last page is “N”. The default is “1-N”.
The second document.
Comma separated list of page ranges for the second document (
input2.pdf). The first page is “1”, and the last page is “N”. The default is “1-N”.
Indicates that we add as many additional
[pages]pairs as required to merge multiple documents.
This software is provided AS-IS with no warranty, either express or implied. This software is distributed under license and may not be copied, modified or distributed except as expressly authorized under the terms of that license. Refer to licensing information at artifex.com or contact Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco, CA 94129, USA, for further information.