Developer Toolkit is a free Chrome add-on developed by int0x03. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This toolkit aims to provide developers with a collection of useful JavaScript tools that can be easily accessed and utilized.

With Developer Toolkit, developers can conveniently access a variety of JavaScript tools that can assist them in their coding tasks. The add-on offers a range of functionalities to help streamline the development process, making it easier for developers to work efficiently and effectively. Whether it's debugging, code optimization, or performance analysis, this toolkit provides a comprehensive set of tools to meet the needs of developers.

The Developer Toolkit is a valuable resource for developers of all skill levels. It offers a user-friendly interface and intuitive navigation, ensuring that developers can quickly find and utilize the tools they need. By providing these tools for free, int0x03 has made it accessible to developers around the world, allowing them to enhance their coding experience and improve their productivity.