Screenshot of ecdiff

Eclipse IDE, Code Patch, React, TypeScript, Tailwind CSS, Google Chrome.


Beautifies an Eclipse IDE and CVS unified diff code patch on the browser. The new version of previously known as Eclipse Patch Viewer bookmarklet.


  • Code syntax highlighting
  • Light/ dark mode


  1. Open a code patch file on a Chrome browser
  2. Click on the ecdiff extension icon

Toggle dark mode on options page: Right click on the ecdiff extension icon then click on "Options".

Supported code patches

  • Unified diff code patches created with Eclipse IDE
  • Unified diff code patches created with CVS diff

Syntax highlighting support


Icons made by Ilham Fitrotul Hayat from Flaticon and generated with

Code patch attachment used as screenshot -


This project is completely free and developed during my free time. If this piece of software helps you, consider donating any amount on my Ko-fi page. Thanks!

My Spotify is currently offline.