PrettyDiff:Online Text Comparison Tool is an online version of the code recognition code comparison tool that supports XML, SGML, JSTL, HTML, CSS, SCSS, CSV, JavaScript, and JSON.

It can be done for two or three files/directories at the same time when comparing. By comparing, it displays the file/directory differences by line. It also provides an automated merge tool for users to perform merge operations. If you can't find the comparison tool, you can use this online version of the comparison tool.