Tech-In is a free Chrome extension developed by earthragellc, designed to enhance your Leetcode practice for software engineering technical interviews. This tool offers features to time your Leetcode question-solving process and provides cues for problem-solving, coding, and debugging phases. It also gives an overview of the time spent on each phase, aiding in self-assessment and improvement.

In addition to the current features, Tech-In has upcoming features that include the ability to record yourself while explaining a question and tracking your communication during the interview process. With Tech-In, aspiring software engineers can sharpen their skills and prepare effectively for technical interviews.