This simple yet effective tool helps you compare two texts, and reveals the similarities and differences.See the website
DescriptionText Compare! is an online diff tool that allows you to easily make a text comparison and find the differences between two texts. Just paste the two texts and hit the compare button. The two texts are shown side by side, with differences highlighted. It highlights not the entire line which contains a difference, but only the difference itself. For larger texts, it also has links that allow you to jump from one difference to the next.