CompareXml

CompareXml is a small-sized application you can use to compare the contents of two XML files to figure out any differences. It doesn't contain complicated options or configuration settings, making it accessible to all types of users.

Needs .NET Framework to work properly

The tool's not wrapped in an installation file but needs .NET Framework to function. Newest Windows editions have this software framework pre-installed, so you shouldn't have any issues in this regard. Furthermore, the app doesn't modify the system registry by adding new entries, nor does it generate files on the computer without your permission.

Rudimentary-looking UI with straightforward settings

When it comes to the interface, CompareXml adopts a standard .NET Framework and doesn't put emphasis on the graphical aspect, preferring to stick to functionality instead.
There are two dialog boxes listed, where you can paste the full path to the two files you want to compare, or locate them on the computer using the integrated disk explorer.

Find out where the two XMLs are different

After analyzing matches and differences, the utility brings up a new window with two columns that display the contents of the two files. Distinct lines are highlighted in red while unchanged text remains black.
Data from both columns can be filtered to display only mismatched lines. Unfortunately, there are no buttons implemented for printing, copying or saving information to file. At most, you can select and copy strings of characters from one column at a time.
As far as program preferences go, you can allow the application to display console messages and create logs after indicating the file name. It's necessary to restart it to commit changes.

Simple file comparison tool with modest features

To wrap it up, CompareXml offers a straightforward solution for comparing the files contents of two XML documents. However, it has a barren set of options, and the interface makes it look like an unfinished software project.