Paneful is an innovative tool designed for developers that simplifies the process of testing responsive designs by allowing simultaneous visualization across multiple device sizes. It eliminates the hassle of continuously resizing browser windows or switching between device views, presenting all breakpoints in a customizable layout.

Key Features

• Multiple Resizable Viewports: Create and manage multiple viewports within a single window, enabling testing for various screen sizes at once.
• Custom Device Sizes: Adjust viewport dimensions to fit personal needs or select from a list of common device sizes.
• Interactive Controls: Pan, pinch, and zoom functionalities allow developers to achieve the desired layout effortlessly.

Future Enhancements

Planned features aim to expand functionality, including:

• Manual zoom controls
• Hosting on Docker Hub
• Snap-to-grid feature for improved alignment
• Layout saving and sharing capabilities
• Preset layouts for quick access

Usage Instructions

To test a website using Paneful:

1. Input the website URL in the designated address bar.
2. Use the '+' button to create new panes.
3. Resize the panes to match target device dimensions or select from available options.
4. Hold cmd/ctrl to interact with and scroll within each pane.
5. Assess the responsive design of your site across multiple viewports simultaneously.
6. The configuration will be retained in local storage for subsequent sessions.

With Paneful, the complexities of responsive web design testing are simplified, offering instant feedback and an efficient way to spot layout issues across various devices.