LWC Viewer

Visualize and analyze the structure of Lightning Web Components (LWC) with this interactive online viewer tool.

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About This Tool

The LWC Viewer Chrome Extension tool allows developers to input Lightning Web Components code and instantly visualize its complete structure. See the component's HTML template, JavaScript properties and methods, and CSS styling in an organized tree view. This tool helps understand component architecture, debug structure issues, and learn LWC patterns without needing to install a Chrome extension. Simply paste your LWC component code and get an interactive visualization of all elements, properties, and relationships.

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How to Use

Paste your LWC component code into the input area (HTML, JavaScript, and CSS combined or separate)
Click the 'Visualize Component' button to parse and analyze the code
View the interactive component tree showing all elements and properties
Expand/collapse nodes to explore the component structure
Use the copy buttons to extract specific parts of the parsed structure

Frequently Asked Questions

Find Quick Answers

What is LWC (Lightning Web Components)?

Lightning Web Components (LWC) is a modern framework for building web components on the Salesforce platform, using standard web technologies like HTML, JavaScript, and CSS with enhanced capabilities for enterprise applications.

Do I need to install a Chrome extension to use this tool?

No, this is a fully functional web-based tool that runs entirely in your browser. You don't need to install any extensions - just paste your LWC code and visualize the structure immediately.

What LWC code formats does this tool support?

The tool supports standard LWC component code including HTML templates (.html), JavaScript controllers (.js), and CSS style sheets (.css). You can paste them separately or combined in a single input.

Can I use this tool for production LWC components?

Yes, this tool can parse and visualize any valid LWC component code. However, for sensitive production code, ensure you're comfortable with the code being processed in your browser (all processing happens locally).

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