FrontLayer is a comprehensive live CSS editor and visual toolkit designed for developers. Available as a free add-on for Chrome, this tool enables users to make real-time modifications to any website's CSS, execute JavaScript, and inspect the Document Object Model (DOM) seamlessly. One of its standout features is the recording capability, which saves all changes and automatically reapplies them during future visits, streamlining the development process.

This tool prioritizes security with a robust code-based authentication system, ensuring that users' frontend experiments are protected and exclusive to them. FrontLayer is an essential resource for developers looking to enhance their web development workflow, providing an intuitive interface and powerful features that cater to both novice and experienced users.