You can use TextCompare to find text difference between 2 files. We support languages like Javascript, JSON, XML, HTML, CSS and many other.
We also have support for files like PDF, Word, Excel, Powerpoint and Image.
If you like any feature we are missing, please contact us
Technologies used to build this site are monaco-editor, jquery, ExpressJS, Hexo bootstrap and Nodejs.
We would also like to thank Heroku and Netlify for hosting us.