Kdiff will make comparisons between texts and files. Manually looking at the details of file one by one is a bit cumbersome. You need a tool like KDiff3 which allows you to have a window which synchronizes the details of your files for comparison. The tool allows you to have access to three files at a go, in spate windows in a parallel format for viewing.
In addition, you can compare files of different file formats. The comprehensive analysis checks on the characters for each file. In also has an editor which helps you to run some editing functions which allow you to merge the files once you some the differences and similarities of the files.
At the end of the comparison, you will have a single file with data from all the three files. You can also have a directory which acts as a backup folder for reference. Moreover, you can also take them for printing within the interface. The inbuilt file browser is distinctive to allow it to capture all the details and make notable differences and similarities in three files irrespective of the file formats.
This is one tool which you have a single file as a result of the process. You need not handle files manually to make the comparison when KDiff3 is available for your use.
KDiff3 is licensed as freeware for PC or laptop with Windows 32 bit and 64 bit operating system. It is in text editors / documents category and is available to all software users as a free download.