Twitter Rate Limit Checker is a free Chrome extension developed by kalraevyn. It falls under the category of Browsers and specifically belongs to the Add-ons & Tools subcategory. This simple extension aims to help users keep track of their tweet reading limit on Twitter.

The main purpose of Twitter Rate Limit Checker is to provide users with information about how many tweets they have remaining and when their count will refresh. With this extension, users can easily monitor their tweet reading limit without having to manually calculate or keep track of it themselves. This can be particularly useful for avid Twitter users who want to make sure they don't exceed their limit and miss out on important tweets.

Overall, Twitter Rate Limit Checker is a handy tool for Twitter users who want to stay within their tweet reading limit. It offers a simple and convenient way to keep track of the remaining tweets and the refresh time.