SEO & marketing

Generate hreflang link tags for a multilingual page from a list of locale and URL pairs, with an optional x-default and a self-referencing tag.

Generate valid JSON-LD structured data for Article, Product, FAQPage, HowTo, LocalBusiness, Event, Recipe, BreadcrumbList, and Organization schemas from a simple form.

Analyze word frequency and keyword density for 1-, 2-, or 3-word phrases, with a stop-word filter and target-keyword lookup.

Generate SEO, Open Graph, article, and Twitter Card meta tags with live title and description length counters and robots, theme-color, and author options.

Preview how a link unfurls into a social card on X, LinkedIn, Slack, Discord, and Facebook from a title, description, image URL, and page URL.

Build a robots.txt file from a user-agent, allow and disallow paths, crawl-delay, a sitemap URL, and one-click presets that block common AI crawlers.

Preview how your page title, meta description, and URL will appear in Google search results on desktop and mobile, with pixel-width truncation warnings and length counters.

Build a tagged campaign URL by adding URL-encoded utm_source, utm_medium, utm_campaign, utm_term, and utm_content parameters to any link.

Turn a list of page URLs into a standards-compliant sitemap.xml with changefreq, priority, and optional lastmod, then download it.