Free llms.txt Generator

The generator outputs a single Markdown file in the structure the llms.txt proposal describes: an H1 with your business name, a one-line summary in a blockquote, then sections listing your key pages as absolute URLs, your key facts, and how to contact you. Nothing is padded and nothing is invented - it only contains what you type in.

You can copy it to the clipboard or download it as a ready-to-upload file. Everything runs in your browser, so no data is sent anywhere and no account is needed. If you prefer to write the file by hand, the output doubles as a template you can edit.

The file has to be served from your site root, so it resolves at yourdomain.com/llms.txt- not in a subfolder. Serve it as plain text. Once it’s live, open the URL in a browser to confirm you see the file itself rather than a 404 or your site’s HTML.

How you upload it depends on your platform. On WordPress, most SEO plugins can serve a root file for you, or you can upload it via your host’s file manager. Shopify doesn’t allow root uploads directly, so you need an app that serves custom root files or a proxy rule. On Next.js, add a route at app/llms.txt/route.ts that returns the text. On a static host, drop the file in your public directory.

Two files get discussed together. llms.txt is the concise index: a summary plus links to your most important pages, small enough for a model to read in full without burning context. llms-full.txt is the maximal version - your actual content inlined into one large Markdown file, so a model can read everything without following a single link.

For most sites, llms.txt is the one worth having. llms-full.txt makes sense for documentation, where having the whole reference in one file is genuinely useful, but it gets large fast and needs regenerating every time your content changes. Start with the index; add the full file only if you have a documentation set that warrants it.

Honest answer: not much, yet. llms.txt was proposed in late 2024 and adoption is still unproven. No major AI provider has publicly confirmed that it reads llms.txt when crawling or answering, and there’s no evidence it affects rankings or citation rates today. Most of the visible adoption has come from documentation sites and developer tools rather than search engines.

So why add one? Because it costs about five minutes, carries no risk, and if adoption does arrive you’re already covered. There’s also a side benefit that has nothing to do with AI: writing it forces you to state plainly what your site is and which pages matter most, which is a useful exercise in itself.

What we’d avoid is treating it as a ranking factor. If someone sells you llms.txt (you’ll also see it written as llms txt, without the dot - same file) as a guaranteed traffic win, be sceptical. The work that reliably moves AI visibility today is crawler access, structured data and a clear entity - which is what our full guide to llms txt covers in more detail.