Free AI SEO Tool

llms.txt Generator

Generate an llms.txt file for your website in seconds. Help ChatGPT, Claude, and other AI assistants discover, understand, and recommend your content.

  • Auto-crawls your sitemap
  • Valid llmstxt.org format
  • No sign-up

Generate your llms.txt

Enter your website URL. We'll read your sitemap and pages and build the file for you.

We crawl up to ~60 pages from your sitemap. Works best with a public sitemap.xml.

What is an llms.txt file?

An llms.txt is a markdown file you host at your site root (e.g. yoursite.com/llms.txt). Like robots.txt for search crawlers, it gives AI assistants a clean, structured map of your most important pages — improving how LLMs understand, cite, and recommend your site.

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AI visibility

Build the file AI assistants look for

Search is splitting in two. People still use Google, and increasingly they ask ChatGPT, Claude or Perplexity — which read your site differently, without following the navigation a human would.

An llms.txt file addresses that: a markdown file at your site root giving AI assistants a clean, structured map of your most important pages. This generator builds one by reading your actual site.

What an llms.txt file actually is

Think of it as robots.txt for AI assistants, with an important difference in purpose. They live in the same place and do opposite things.

  • robots.txt tells crawlers what they may not access — a restriction list.
  • llms.txt tells assistants what matters and what your site is about — a curated map.
  • The goal is being understood and cited accurately, rather than leaving a model to assemble an impression from whichever page it happened to crawl.
Two files, two jobs
robots.txt
AudienceCrawlers
SaysWhat not to touch
FormatDirectives
Restrict
llms.txt
AudienceAI assistants
SaysWhat matters
FormatMarkdown
Explain
Same folder, opposite jobs. Having one does not give you the other.

What comes back

A complete file in valid llmstxt.org format, ready to copy or download. You can also have it emailed with the file attached, which is the easiest way to hand it to a developer.

  • Plain markdown, which is the whole point — a model can read it without parsing your navigation, scripts and layout.
  • Review it before publishing. You know which pages matter commercially and which are thin.
  • Trim anything that does not deserve to be there, and reorder so your most important pages sit near the top.
The shape of the file
llms.txt
# Parix.ai
 
> AI automation and web development studio.
 
## Services
- [Web Development](/services/web-development/):
- [AI Integrations](/services/ai-integrations/):
 
## Free Tools
- [Keyword Density Checker](/free-ai-tools/...):
Generated from your real pages, then edited by you before it goes anywhere.

One input, and about twenty seconds

Enter your website URL. The tool reads your sitemap and page metadata and builds the file. It works best when you have a public sitemap.xml.

  • Give it 10–20 seconds. It is genuinely visiting your pages, not guessing from the domain.
  • It crawls up to around 60 pages, which covers the part of most sites that actually matters.
  • No plugin, no code change and no rebuild at any point.
What it does with that one URL
  1. 1Reads your sitemap.xmlThe map you already publish.
  2. 2Visits up to around 60 pagesGenuinely fetching, not guessing.
  3. 3Pulls each page's metadataTitle and description per URL.
  4. 4Writes the fileIn llmstxt.org format, ready to edit.
Time20s

Publishing it takes two steps

A firm noticed that when people asked ChatGPT about their specialism, they were either not mentioned or described using outdated positioning from an old page that still ranked. They ran their URL through, edited what came back, and uploaded it.

  • Save the file as llms.txt after editing it.
  • Upload it to your site root so it is reachable at yoursite.com/llms.txt — the same place robots.txt lives.
  • That is the whole deployment. Most people can do it through their hosting file manager, or by sending the file to whoever manages the site.
What that firm changed in the file
Removed old blog postsOutdated positioning
Moved three service pages to the topWhat defines the business
Tightened every descriptionOne line, one purpose
Five minutes of editing, then one upload
The short version

Four numbers worth keeping

60
Pages it will crawl, which covers most sites that matter.
20s
Roughly how long it takes, because it really visits them.
2
Steps to publish: save it, upload it to your root folder.
101
Free tools on Parix.ai, none of them behind a sign-up.
Free, and staying free

Why Parix.ai gives this away

llms.txt is an emerging standard rather than a settled one, and no assistant guarantees it will use your file. The reason to do it anyway is cost: about five minutes, no ongoing maintenance, and the downside is zero. Compared with almost anything else in AI visibility, that is an unusually cheap bet.

Generate my file

Who uses it

Site owners who want AI assistants describing them accurately. SEO specialists adding AI visibility to their checklist. Agencies rolling it out across client sites. Anyone who has asked an AI about their own business and disliked the answer.

Pair it with

The AI Overview Optimizer and the Schema Markup Generator, plus our write-up on AI search optimisation.

Built in from the start

Our web development team ships this kind of machine-readable groundwork with the site, rather than bolting it on once the answers come back wrong.