The Scratch Block Color Changer is a Chrome add-on that allows users to change the color of the blocks in Scratch 3.0. It adds a black outline to the blocks, making them stand out more visually. Additionally, it increases the size of the arithmetic operators (+, -, *, /) to improve visibility.

This extension is specifically designed for use with Scratch, a programming language and online community where users can create interactive stories, games, and animations. By modifying the appearance of the blocks, the Scratch Block Color Changer enhances the user experience and makes it easier to navigate and understand the code.

With the Scratch Block Color Changer, users can customize the look of their Scratch projects and make their code more visually appealing. Whether you're a beginner learning to code or an experienced programmer, this add-on can help improve your Scratch programming experience.