Markdown Link Rewriter - Online Relativize or Absolutify URLs
Paste Markdown and convert all links from absolute to relative (or vice‑versa) based on a base domain. Bulk edit.
UD5 Toolkit
Paste Markdown and convert all links from absolute to relative (or vice‑versa) based on a base domain. Bulk edit.
Break a large XML sitemap into smaller ones under the 50MB/50,000 URL limit. Generates a sitemap index.
Build a complete Event structured data with performer, location, and dates. Get Google‑ready JSON‑LD for tickets.
Enter a URL and fetch its Twitter card meta tags. See a live preview of how the tweet will appear. Debug social sharing.
Enter title, subtitle, and logo URL. Generate a beautiful Open Graph image ready for social sharing. Download PNG.
Generate a LocalBusiness structured data snippet with name, address, phone, and opening hours. Boost local SEO.
Enter a URL and a user‑agent to see if it is allowed or blocked by the robots.txt file. Quick bot validation.
Paste an URL or HTML and see the h1‑h6 hierarchy as a tree. Detect skipped levels and improve accessibility. Client‑side.
Paste any article and get a list of the most relevant keywords using a simple TF‑IDF‑like model. Skip stop words. All local.
Paste your article and see a table of the most frequent words with their density percentages. Help avoid keyword stuffing. Local.
Enter a URL and see a preview of how it will appear when shared on Facebook, Twitter, LinkedIn. Detect missing tags.
Enter a URL and see a nested list of all headings (h1‑h6). Check your document structure for SEO and accessibility. Pure fetch.
Enter a URL and get a one‑page report of titles, description, headings, image alts, and broken links. All from browser.
Enter a URL and see a nested list of all h1‑h6 tags. Check document structure for SEO and accessibility.
Enter a URL and see its favicon at all standard sizes. Check if it's properly defined. SEO basic check.
Trace the full redirect path of a URL. See every hop, status code, and final destination. Detect broken chains.
Paste a robots.txt file and validate its syntax. See if a specific user‑agent can access a path. Essential for webmasters.
Convert title to URL slug with options: ignore stop words, transliterate special characters, choose separator. SEO friendly.
Generate a complete <head> section with meta charset, viewport, SEO, favicon, and social tags. Customize and copy.
Enter a URL to see exactly what Open Graph and Twitter card tags will be shown when shared on social media. Fetch from browser.
Fetch and extract all meta tags, open graph tags, and Twitter cards from a live URL. No server proxy, direct browser fetch.
Convert messy URLs into clean, keyword-rich slugs. Remove stop words, replace spaces with hyphens. Lowercase transformation. All local.
Enter a URL and trace the full redirect chain, seeing each hop's status code and location. Identify unnecessary redirects. Client-side fetch.
Paste email headers or body text to quickly spot phishing signs, suspicious domains, and obfuscated links. Educational and private.
Preview how your page title will appear in Google SERPs. See pixel width and character count. Avoid truncation. Free local tool for SEOs.
Analyze text for keyword frequency and density. Highlights over-optimized terms. Perfect for content writers and SEO editors. Entirely browser-based.
Build a properly formatted robots.txt file with user-agent rules and sitemap location. Validate syntax in real time. Essential for webmasters.
Generate a standard XML sitemap for your website by entering a start URL. Crawls internal links directly from your browser. No server-side processing.
Build perfect Open Graph meta tags for rich social media previews. Preview how your link will look on Facebook and LinkedIn. Structured data tools for better CTR.
Generate comprehensive HTML meta tags for SEO and social sharing (Open Graph, Twitter Cards). Copy ready-to-use code. Boost your search visibility.
Social Post Previewer
See how your link looks on Facebook, LinkedIn, and Twitter before you share.
Frequently Asked Questions
og:title,og:description, andog:imagetags in your page's<head>. If those are missing, it falls back to your page's<title>and the first large image it finds. Always define og:tags to control your link preview.og:imageURL is broken, the server blocks social media crawlers, or the image format is unsupported. Use absolute URLs and test with this tool. You can also clear the platform’s cache using their debugging tools (e.g., Facebook Sharing Debugger).og:titleis used by Facebook, LinkedIn, and other platforms. Twitter has its own card meta tags (twitter:title,twitter:description,twitter:image). However, if Twitter tags are absent, Twitter falls back to Open Graph tags. For best cross‑platform compatibility, include both.