Free tools
Free Tools for Developer Blogs
Small tools for blogs built from a repo. Each one runs in your browser: nothing you type is uploaded or stored, and there is no sign-up.
Free llms.txt Generator
Build a spec-conformant llms.txt from your site name, summary and links, or paste your sitemap.xml. Shows where the file goes in each stack.
Open tool
Free Blog Front Matter Generator
Copy front matter your Next.js, Astro, Hugo, Jekyll, Gatsby or Docusaurus blog accepts, with the right date format and file path.
Open tool
Free GitHub Pages Custom Domain Check
Turn your custom domain and old github.io URL into six curl commands that check HTTPS, redirects, the canonical tag and the sitemap after a domain move.
Open tool
The tools cover single steps. Blogger Dog does the whole job: it researches and writes SEO/AEO posts, commits them to your repo in the format your stack reads, and checks each one is live. See how it works for your stack. The first 3 posts are free; paid plans start at $19/month for 10 posts. See pricing.