Trello Extend is a free Chrome extension developed by trello.extension. As an add-on for the popular project management tool Trello, it aims to improve your workflow and simplify your experience with Trello. With Trello Extend, you can enjoy various small enhancements that make working with Trello even more convenient.

One of the key features of Trello Extend is the ability to hide empty columns. This is particularly useful if you are not the one creating the cards but rather just reading, moving, or commenting on them. By hiding empty columns, you can focus on the relevant information and declutter your Trello board.

Additionally, Trello Extend displays the summarized information of Custom Fields in the column header. This allows you to quickly get an overview of the Custom Fields associated with the cards in a specific column, saving you time and effort.

Another handy feature provided by Trello Extend is the ability to number checklists. This makes it easier to organize and prioritize tasks within a checklist, enhancing your productivity when working with Trello.

Overall, Trello Extend is a valuable extension for Trello users who want to streamline their workflow and optimize their experience. With its small yet impactful improvements, this extension helps you make the most out of Trello's project management capabilities.