3Liner is a Chrome add-on that allows you to quickly summarize the content of any webpage in just three lines. With a single click, you can easily get a concise summary of the current page.

The main features of 3Liner include:

1. One-click access to the three-line summary of the current page.

2. Share the summary on Facebook or Careerly, a popular career networking platform.

This add-on is a convenient tool for those who want to quickly understand the main points of a webpage without having to read through the entire content. With its simple and intuitive interface, 3Liner provides a hassle-free way to get a quick summary of any webpage. Best of all, it's free to use!