NetSuite Toolbox is a free Firefox extension designed for web development, particularly for users working with NetSuite. It enhances productivity by providing a suite of tools that streamline common tasks associated with managing NetSuite records and fields. Key features include the ability to copy field IDs using a simple Shift + Right Click, and the capability to find fields by their ID or label with keyboard shortcuts (Ctrl + Shift + f and Ctrl + Shift + l respectively).

In addition to these functionalities, users can export search results and records in JSON format, which is useful for data handling and integration tasks. The extension also allows users to enable or disable fields and load SS2 modules, making it a versatile tool for developers looking to optimize their workflow within the NetSuite environment.