leetcoder is a free Chrome extension developed by temirerlan99. It falls under the category of Browsers and is specifically listed as an Add-ons & Tools subcategory.

The main feature of leetcoder is its ability to display the likes, dislikes, and like-to-dislike ratio of LeetCode questions directly on the front page. This provides users with valuable information about the popularity and quality of each question. Additionally, leetcoder allows users to sort questions based on these metrics. For example, you can easily sort medium difficulty questions with the tag "dynamic-programming" to focus on specific topics.

It's worth noting that leetcoder does not work with tags from the "Status" and "Lists" sections of LeetCode. Furthermore, the extension may cause rendering issues with the "Solution" and "Acceptance" icons.

Overall, leetcoder is a useful tool for LeetCode enthusiasts who want to quickly analyze and sort questions based on popularity and ratio. With its straightforward functionality, this Chrome extension provides a convenient way to optimize your LeetCode practice.