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Inspector & visual editing

Inspector & visual editing

Advanced Inspector

Inspect and edit the rendered page without losing the source.

The Mac preview injects an in-app inspector into the rendered page. It is separate from normal browsing mode, so links still work when Inspect is off.

Hover and selection overlay

Inspect mode highlights the element under the pointer and keeps a persistent selection after click.

Selector and DOM breadcrumb

The side panel shows a compact selector and a clickable DOM path from root to the selected node.

Box model

Margin, border, padding and content dimensions are drawn in a DevTools-style box model panel.

Computed styles filter

Computed CSS properties are listed with a filter field that searches names and values.

Jump to source

Clicking an element sends tag and structural path back to Swift so the editor reveals the matching source range.

Native Web Inspector

The WKWebView remains inspectable on macOS, so the system Inspect Element path is still available.

Edit Text in Preview

With Edit Text on, double-click a rendered text element, edit it in place and commit on Enter or blur.

Undo-friendly source write

Visual text edits are mapped back to plain-text HTML elements, escaped safely and written through the editor's undo path.

Built for live page work

The inspector understands that WebKit may normalize DOM structure. Before jumping or writing, the app validates the tag and only commits visual edits when the source element contains plain text rather than nested markup.

HTML Designer advanced inspector panel with breadcrumb, box model and computed styles
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