Drupal themer is a free Chrome add-on developed by chi-teck. This program serves as a simple debug tool specifically designed for Drupal themers. With Drupal themer, users can easily enable theme debug mode on a target site and access additional functionalities by clicking on the Druplicon icon in the Chrome address bar.

This add-on is particularly useful for Drupal themers who need to troubleshoot and debug their themes. By enabling theme debug mode, users can quickly identify and resolve any issues or conflicts within their Drupal themes. The Druplicon icon in the Chrome address bar provides a convenient and accessible way to access the debugging features without interrupting the workflow.

Overall, Drupal themer is a valuable tool for Drupal themers looking to streamline their debugging process and enhance their theme development experience. With its simplicity and ease of use, this Chrome add-on is a must-have for anyone working with Drupal themes.