Track CAPTCHA retry attempts with color-coded urgency, success rate, and helpful tips.

Estimate carbon footprint of shipping options with color-coded impact badges and eco-friendly suggestions.

Detect character encoding with visual badges, mismatch warnings, and byte analysis for any webpage.

Limits nested comment depth with expandable controls, depth badges, and visual indicators for exceeded threads.

Synchronizes cookie consent preferences across tabs by intercepting banner clicks and broadcasting status.

Automatically test coupon codes on any e-commerce checkout page. Bulk test, quick test, and track history.

Validates internal cross-reference links (#id, footnotes) with status summaries and broken link highlighting.

Normalizes currency symbols on any page and shows converted values in your preferred currency with live rates.

Force dark mode on any webpage with multiple themes. Choose from Invert, Dark Gray, OLED Black, or Sepia.

Turns any bright website dark, and leaves sites that are already dark alone.

Normalizes date formats on any page to your preferred style with badges, tooltips, and relative time support.

Weighted decision matrix with options, criteria, scores, visual comparison, and JSON export/import.

One-click DNS record viewer with inline panel showing A, AAAA, CNAME, MX, NS, TXT, and SOA records.

Display domain age with color-coded badges, WHOIS data, registrar info, and local caching.

Detect duplicate content, images, and meta tags with visual highlights and SEO impact analysis.

Hover or click any emoji to see its name, meaning, category, and usage examples—no more guessing.

Injects an emoji picker into any text input with categories, search, and recent emojis.

Normalizes emoji rendering across browsers with native, Twitter, or Apple styles and fixes alignment.

Detect ethical sourcing certifications and claims with color-coded badges and score tracking.

Click or double-click any highlighted word to see its origin, root, language family, and how its meaning evolved.

Extracts and displays favicons from all links in a compact grid with copy and download.

Replace any website's text with your chosen font. Live preview, per-site settings, toggle on/off. Works everywhere.

Boosts font weight and contrast on any page for better readability on low-contrast displays.

Shows footnote preview tooltips on hover for superscript numbers, links, and citations on any page.