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Free tools
Small tools for jobs that should not need an account. The generators, validator and simulator run entirely in your browser. The two checkers fetch the page you enter and store nothing.
Enter a URL to check indexability, title, description, headings, canonical, structured data and crawler access.
Preview how a link looks when shared and see which Open Graph and Twitter tags are set.
Build JSON-LD for FAQ, Article, Product, Organization and Local business pages, then copy the script tag.
Describe your site, list your key pages, and download an llms.txt file in the proposed format.
Allow or block AI crawlers such as GPTBot and ClaudeBot, add disallowed paths and your sitemap, then download.
Paste JSON-LD to check its syntax and the properties Google requires for rich results.
Paste a robots.txt file and see whether a crawler may fetch a URL, and which rule decides.
Preview a title and meta description as a search result on desktop and mobile, with length guidance.
Need the fixes applied for you? See how the Seology AI SEO agent works.