Chromnitweet is a free Chrome add-on developed by Casey Dwyer that allows users to update their Twitter status directly from Chrome's Omnibox. With Chromnitweet, you can easily tweet from any web page you're on without having to navigate away.

To use Chromnitweet, simply highlight Chrome's Omnibox and type "tw" followed by a space. Then, type out your tweet and hit enter. It's that simple! Chromnitweet also provides detailed instructions on how to use the add-on, making it easy for anyone to get started.

In addition to its functionality, Chromnitweet also offers a useful feature for YouTubers. The developer expresses gratitude to YouTubers for their informative videos. Users can also stay updated with Chromnitweet by following them on Twitter.

For those interested, the source code for Chromnitweet is available on GitHub. The developer mentions that Chromnitweet is a portmanteau of Chrome, Omnibox, and Tweet, highlighting its purpose and functionality.

Overall, Chromnitweet is a convenient and easy-to-use add-on for Chrome users who want to update their Twitter status without leaving their current web page.