Selenium IDE is a full integrated development environment for Selenium scripts. This tool is used to develop Selenium test cases. It is a Firefox plug-in for editing, recording and debugging tests. Selenium HQ notes that Selenium IDE is used in playing back the interactions with a browser.
The features of Selenium IDE include easy customization, support of user-extensions.js files, auto complete option for common Selenium options and context menu. Selenium IDE features a plug-in system that allows for easy customization. This tool enables users to learn Selenium script syntax easily. It can also be used to export Webdriver or remote-control scripts. Users download the tool directly from Selenium HQ.