Step 1: Import the PDF files you want to join together
Click "Add Files" button on the top left to open the folder contains the PDF files, then choose the PDF files you want to join together. Click "Up" or "Down" button can adjust the sequence of each PDF file.
Step 2: Select PDF merging method
Click "Method" to open the "Merge Method" window, then you can choose the PDF merge method for your preference.
Select Page Range
Click the Option Box to choose merge all pages, odd pages, even pages or several pages you want of each PDF files you imported to the program.
Select Page Sort
Click the Option Box to define to merge PDF files in sequence or reverse.
Check "Merge all files alternately" option then choose mix the PDF pages by every n page(s) or repeat the pages.
Step 3: Define the output settings
Click "File Name" drop-down list to choose the "FirstFilename_LastFilename" or "LastFilename_FirstFilename" to rename the output PDF file/ Also you can choose "Customize" to input the name you want to name for the output PDF file.
Click the "Browse" button to choose the destination folder for the output PDF file. Click "Open" button can open the folder you want to store the merged PDF file.
Step 4: Merge/ Join PDF files together
Click the "Merge" button on the right bottom of the interface, this PDF Merger will join the PDF files you have selected into one PDF file.
