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Run a local accessibility checklist: images, headings, labels, and landmarks.

Hover elements to inspect content, padding, border, and margin box sizes.

Hide common cookie consent banners on the active page with local CSS rules.

Serialize forms on the active page to JSON and copy or download the data.

Format, minify, and validate JSON locally with path lookup.

Debug page layout with depth outlines, flex/grid accents, and a configurable column overlay.

Scan page links for broken URLs — filters, concurrent checks, export, and on-page highlight.

Click two points on the page to measure pixel distance, width, and height.

Inspect CSS media queries on the page — match state, viewport, prefers-*, breakpoints, and export.

Extract frequent colors from computed styles on the active page.

Trace redirect chains with hop timing, host/scheme change alerts, history, and JSON export.

Local HTTP client with headers, auth, presets, timing, JSON pretty-print, and cURL export.

Inspect meta robots, fetch robots.txt, list sitemaps, and test if a path is allowed for bots.

Extract and inspect JSON-LD and microdata schema markup on the active page.

Pick an element on the page and copy a unique CSS selector for it.

Save and restore named tab sessions for the current window locally.

Browse, edit, and delete localStorage and sessionStorage for the active page.

Fuzzy-search open tabs across windows and jump to a match instantly.

Estimate page transfer size from Performance resource timings on the active tab.

Test XPath on the page — recipes, click-to-pick, scroll-to-match, saved queries, and copy paths.

Keep a local history of clipboard text snippets.

Check WCAG contrast ratios between foreground and background colors.

Highlight multiple search terms on the page with soft pastel colors.

Fill forms with realistic, locally generated test data in Chrome and Edge.