Diff Checker is a free online developer tool to compare text to find the differences between two text documents with syntax highlighting. Supports over 170 programming languages, such as C#
, C/C++
, CSS
, Go
, HTML
, Java
, JavaScript
, JSON
, PHP
, Python
, Ruby
, XML
, and more. The differences are highlighted by line.
This tool is designed to work in fullwidth on desktop by default. You can close the sidebar to expand the width a little more.