Web & SEO
robots.txt, sitemaps, redirects, schema, headers and on-page checks. 13 free tools that run 100% in your browser.
- robots.txt Generator & Tester: Build a robots.txt with rule groups and sitemaps, block AI crawlers in one tick, and test which URLs are allowed.
- XML Sitemap Generator: Make sitemap.xml from a list of URLs or your HTML files, with dates and priorities, split at 50,000 URLs.
- Sitemap Checker: Check a sitemap for broken dates, wrong priorities, duplicates and mixed hosts, and find pages missing from it.
- Redirect Rules Generator: Turn a list of old and new URLs into redirect rules for Apache, Nginx, Netlify, Vercel, Cloudflare, IIS or Caddy.
- Hreflang Tag Generator: Make hreflang tags for language and country versions of a page as HTML, sitemap entries or an HTTP header.
- Security Headers Generator: Build a Content Security Policy, HSTS and other security headers, graded, for Nginx, Apache, Netlify, Vercel and more.
- UTM Link Builder: Build campaign links with UTM tags one at a time or in bulk, make a QR code, or read the tags in a link.
- Schema Markup Generator: Make JSON-LD structured data for FAQ, Article, Product, Local Business, Event, Recipe, How-to and more.
- llms.txt Generator: Write an llms.txt file that gives AI assistants a clean map of your site, docs and key pages.
- On-page SEO Checker: Check page HTML for title, description, headings, alt text, canonical, Open Graph, structured data and keyword use.
- AI Meta Description Writer: Write meta descriptions from your page text with on-device AI, fitted to 155 characters with a search preview.
- Link Extractor: Pull every link from HTML with its anchor text, split internal and external, and spot nofollow and empty links.
- security.txt Generator: Make a security.txt file (RFC 9116) so researchers know how to report problems with your site.