DOM Structure & Node Inspector

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Count total DOM nodes on the current page and show warnings if limits exceed best practices. Keep the DOM lean.

Developer Tools DOM nodes performance size

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Select any HTML element on a page and capture its screenshot. Download as PNG. Perfect for bug reports. JavaScript API demo.

Developer Tools capture DOM element screenshot

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Modify the DOM via buttons and see MutationRecords logged. Understand childList, attributes, and subtree options.

Developer Tools API DOM Mutation Observer watch

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Click any element on a demo page and see which events are attached. Visual debugger for event handling.

Debugging DOM events inspector listeners

Tag: DOM Structure & Node Inspector