Let’s say you have two text files that are pretty similar in content and you want to find out what the differences are between those two. You can easily do so using Notepad++.

Basically, once you have Notepad++ installed, here is what you do:

1. Open up the two files that you want to compare in Notepad++.

2. Goto Plugins > Compare > Compare

3. That’s it! Both files will show up side by side and you will see the differences highlighted.