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

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

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

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

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

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

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

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

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

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

Bulk check prices and track savings across wishlist items on any e-commerce site. Scan, filter by price drops, and export to CSV.

Bulk clear localStorage, sessionStorage, and Cache API by site list with checkboxes and batch confirmation.

Track cart items across any shopping site and get customizable desktop reminders at your chosen intervals to complete purchases.

Bulk export contacts to vCard (.vcf) from any address book with checkboxes and batch download.

Bulk delete cookies by domain list with checkboxes, domain filtering, and batch confirmation.

Bulk test coupon codes on any e-commerce site's cart or checkout page. Enter multiple codes, test them, and see results instantly.

Bulk autofill form fields with checkboxes, field type filters, and reusable presets.

Bulk free trial tracker. Track expiration dates, get reminders, and export reports in CSV.

Scan any page for products, build a gift list, and compare real-time prices across Amazon, Walmart, Target, eBay, and more.

Check password age on login pages. Detect password fields, estimate age, and identify expired passwords.

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

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.

Detects bundle offers and calculates total savings with discount percentage, amount saved, and per-item breakdown.