CascadePeek - CSS Inspector

Inspect, pin, edit, and copy CSS from any page without opening DevTools.

CascadePeek is a lightweight CSS inspector for frontend developers, designers who code, and builders who want to understand how a page is styled without jumping through DevTools panels. Click the toolbar icon, hover any element, and CascadePeek shows a focused floating panel with the selector, dimensions, computed CSS, accessible authored rules, design-token hints, and copy actions. Click to pin the panel, edit declarations directly on the page, or copy the selected element as CSS, HTML, or a small component bundle. Features: - Hover any element to inspect useful CSS instantly. - Click or press Space to pin the current element. - Copy CSS, HTML, and selectors in the free version. - Unlock scoped component bundle copy with CascadePeek Pro. - Edit CSS declarations in place and reset inline changes with CascadePeek Pro. - Browse computed styles, matching authored rules, and Tailwind-ish utility output. - Navigate to parent, child, and sibling elements with arrow keys. - Inspects page CSS locally and contacts CascadePeek servers only for checkout and license activation. Keyboard: - Space: pin or unpin - Shift: pause or resume live hover - C: copy CSS - H: copy HTML - E: focus the editor - Arrow keys: move through nearby DOM nodes - Esc: unpin or close