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Map ARIA roles and landmarks on the active page for accessibility review. Pro saves reports, export, and ExtHub sync.

Open many URLs at once from a pasted list — validate, stagger, new window, and saved lists locally. Pro saves snippets, extra for...

Find canvas elements on the page and export them as PNG downloads. Pro saves reports, export, and ExtHub sync.

List CSS custom properties used on the active page and copy their values. Pro saves reports, export, and ExtHub sync.

Discover font families used across elements on the active page. Pro saves reports, export, and ExtHub sync.

List iframes on the active page with source URLs and sizes. Pro saves reports, export, and ExtHub sync.

Draw freehand annotations on the active page with a local overlay. Pro saves presets, history, and ExtHub sync.

Highlight multiple search terms on the page with different colors. Pro saves snippets, extra format options, and ExtHub sync.

Force the first playing or selected video on the page into Picture-in-Picture. Pro remembers sites, saved presets, and ExtHub sync.

Toggle a print-media preview overlay to spot print-only and screen-only issues. Pro saves presets, history, and ExtHub sync.

Edit query parameters of the active tab URL and navigate to the result. Pro saves searches/presets and syncs via ExtHub.

Inventory scripts and stylesheets on the active page with transfer size hints. Pro saves reports, export, and ExtHub sync.

Save and restore scroll position per page URL locally. Pro saves presets, history, and ExtHub sync.

Mute every other tab so only the current tab can play sound. Pro remembers sites, saved presets, and ExtHub sync.

Calculate CSS selector specificity and compare two selectors. Pro saves snippets, extra format options, and ExtHub sync.

RSVP speed-reading for selected page text or pasted text in the popup. Pro saves snippets, extra format options, and ExtHub sync.

Generate local time-based one-time passwords from Base32 secrets. Pro remembers sites, saved presets, and ExtHub sync.

Track time on site hosts locally — today/7-day views, pause, ignore list, badge, and CSV export. Pro saves searches/presets and s...

Estimate Core Web Vitals-style metrics (LCP, CLS, resources) on the active page. Pro saves reports, export, and ExtHub sync.

Convert between simple YAML and JSON locally in the toolbar. Pro saves snippets, extra format options, and ExtHub sync.

List elements with CSS animations or transitions on the page. Pro saves reports, export, and ExtHub sync.

Build and preview CSS cubic-bezier easing curves locally. Pro saves snippets, extra format options, and ExtHub sync.

Compose CSS clamp() values from min, preferred, and max. Pro saves snippets, extra format options, and ExtHub sync.

Inventory data-* attribute keys used on the current page. Pro saves reports, export, and ExtHub sync.