**If you need to add a list, you can double click anywhere on a board.** This extension will add four buttons to all your boards. 'Hide Empty Lists' will hide all empty lists from the board. When empty lists are hidden, 'Show Empty Lists' will appear. 'Show Empty Lists' will show all previously hidden lists. 'Shrink Lists' will reduce the width of lists on the board automatically based on available screen space. When lists have been shrunk, the button changes to 'Expand Lists'. 'Expand Lists' will revert lists to their original size. This extension will also remove the 'Add a list...' button from your boards. If you need to add a list, you can double click anywhere on a board.
You can Follow the below Step By Step procedure to install the Shrink Lists for Trello Chrome Extension to your Chrome Web browser.
It is the Shrink Lists for Trello Chrome extension download link you can download and install Chrome Browser.
Shows you more lists in Trello by reducing the width of lists in Trello by up to 50%
Add cards to your Trello boards from your browser
Allow to hide and show lists at Trello's boards.
https://github.com/pennyapp/trello-compact-mode
Make Trello Lists Resizable
Automatic card frontside formatting and coloring based on title and labels
One-click access to your Trello Boards
Show the Card label titles on trello.com for easier communication in a team
Minimalize the Trello board interface for better overview