Sobre esta extensão

DevMode

A simple Firefox extension designed for developers working on localhost environments. It adds a developer toolbar with helpful features like a viewport border, grid overlay, FPS counter, and local storage viewer.

Features

Viewport Border: Adds a border around the viewport to differentiate between dev tabs and non-dev tabs.
Grid Overlay: Display a grid overlay for alignment.
FPS Counter: Shows real-time FPS with color changes (green to red) based on performance.
Local Storage Viewer: View local storage data in a formatted JSON view.

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