Text Diff Tool Js. It also detects and highlights block moves and is wordcharacter based. Have a look at the JavaScript library wikEd diff.
Mergely is a powerful online diff and merge editor and javascript library that highlights changes in text. It is a pure-Javascript library that can be used to enhance your online CMS system. It has Unicode and multilingual support.
Get the source code.
It displays the changes made in a standard format such that both humans and machines can understand the changes and apply them. Heres how to do it. Text Compare The text comparison tool will help you to find text diff compare two text files and compare text online. Paste the two texts in separate boxes and click on the compare button to unfold the differences.