Blockly Highlighter is a free Chrome extension designed to enhance the user experience in Blockly-based environments such as MIT App Inventor and Kodular Creator. This tool allows users to search for specific keywords within their projects, which makes locating relevant blocks quicker and more efficient. With a simple interface, users can highlight blocks that match their search terms, making it easier to navigate complex projects.

The extension features a vibrant yellow highlight for matched blocks, ensuring they stand out against the workspace background. Users can easily clear highlights with a single click, restoring blocks to their original appearance. This lightweight tool is compatible across various Blockly platforms and is particularly beneficial for educators, students, and developers who require an efficient way to review and debug their code.