SK Liner is a free Chrome add-on developed by Stefan Kuip that aims to assist users in measuring line length while browsing. As a tool categorized under "Add-ons & Tools" in the browser category, SK Liner provides a simple and convenient way to analyze the length of lines in web content.

With SK Liner, users can easily determine the number of characters and words in a line by simply selecting the desired text. The add-on then displays this information in a user-friendly interface, allowing for quick and accurate line length measurement. This can be particularly useful for web developers, content creators, and anyone else who needs to ensure that their lines of text adhere to specific length requirements.

Overall, SK Liner is a valuable tool for Chrome users who require line length measurements. Its intuitive interface and accurate measurements make it a reliable choice for those who need to analyze and optimize their web content.