Joining several smaller PDF files to one large one can be very daunting in the absence of the right tool. All those users who are looking for an effective tool, the Free PDF Merger is the answer. It is software that is simple in design and can be used by anyone with average computer knowledge. There are no complex settings that might baffle them and it has a number of features which can be put to use with just a few clicks. This app is free of cost and comes without any hidden charges. There are no trial versions of the tool and it can be used for as long as there is a requirement. It requires low to moderate amount of system resources and hence, is apt to be downloaded. Since it is very flexible, users just require a device that runs on Windows OS for the Free PDF Merger to be installed. It just takes a few minutes for getting the job done. All that the users need to do after the initiation is to add the files that need merging. They can set the order of the files so that they appear in a certain fashion in the output file. The pages can be shuffled and the size modified. Users can even add a number of files, remove some and remove all from the list with just a click each. The Free PDF Merger is lets them customize the output further by adding a password and encrypting it. It is a complete tool that allows users to select the destination folder. Therefore, apart from saving the merged files in the source folder, they can do so in one of their choice.