LeetCode expand is a free Chrome add-on developed by lexmong64 that enhances the functionality of the popular LeetCode platform. This add-on adds a convenient toggle switch next to the full screen button on LeetCode, allowing users to expand the input, output, and expected containers in the Run Code Result section.

With LeetCode expand, users no longer have to scroll through long input or output values. By activating the toggle switch, all the contents of the containers will be displayed, providing a comprehensive view of the data. This is particularly useful for complex coding problems that involve large input or output sets.

This add-on is a valuable tool for developers and coding enthusiasts who frequently use LeetCode for practice or interview preparation. It simplifies the process of reviewing and analyzing test cases, making it easier to identify and fix potential issues in code solutions.

Overall, LeetCode expand offers a seamless way to expand LeetCode input, output, and expected containers, providing a more efficient and effective coding experience.