Flexible partial selection and merging methods

Able to select merging methods for each imported PDF file flexibly.
Merge selected pages or page ranges from multi-page PDF files.
Multiple partial selection options: All, Odd, Even, Part (e.g.: 1, 3, 5, 7-10).
Select page sort to merge multiple PDF pages: sequence or reverse.
Support merging selected PDF pages alternately.
Full guide about: Merge PDFs
Merge encrypted PDF files into one

Merge Owner Password protected PDF files directly without requiring the password.

Owner Password: Password which is used to protect PDF files from editing, copying and printing.
Merge User Password protected PDF files with the authorized password.

User Password: Password which is used to protect the files from opening. It is also called Open Password sometimes.
Remove security of original PDF files after merging them into a new one.