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All free AI SEO tools

Free llms.txt Generator

Enter your domain and get a clean, valid llms.txt in seconds.
Then get the honest picture of what it actually does.

What is an llms.txt file?

llms.txt is a plain-text file you place at the root of your site (yoursite.com/llms.txt) that gives AI models a curated map of your most important pages. It uses simple Markdown with short descriptions and you can think of it as a table of contents written for large language models instead of search crawlers.

Omnia for SEO and content leads

How is llms.txt different from robots.txt?

llms.txt

A proposed map that tells AI models which pages to read. New, and its impact is still unproven.
Supposed to point AI models to your most important pages
In theory, should give models cleaner content to pull from
Meant for large language models, not crawlers
Describes and curates; it blocks nothing
Lives at yoursite.com/llms.txt
Not yet confirmed used by any major AI provider
Worth adding as hygiene, but don't expect a visibility bump

robots.txt

The long-standing standard for controlling crawler access. Actually respected by bots today.
Tells crawlers which pages they can and can't access
Understood by every major search and AI crawler, from Googlebot to GPTBot
An established standard, enforced right now, not theoretical
Allows or blocks; it describes nothing
Lives at yoursite.com/robots.txt
Keep it correct so AI crawlers can reach you at all
A gate, not a growth lever
Great tool to understand and grow your AI visibility
"What stands out the most is how actionable the insights are: not just data, but clear opportunities to improve our presence and capture more AI-driven traffic."
Pedro Sala, Growth Manager at INDYA
Pedro Sala
Growth Manager, INDYA
SEO for AI, a tool that makes brands visible in LLMs
"Omnia gives us visibility into a channel we had zero clarity on before: AI-driven answers, and how we compare to competitors. In short, it prevents us from being invisible in AI search."
Dani Turcanu
Daniela Turcanu
Head of Marketing, Walls.io
Revealing insights to measure your brand presence in LLMs
"Omnia is the perfect tool for analyzing brand visibility in LLMs. Easy to use, intuitive, and very revealing in terms of insights and competitors. An ideal starting point for a GEO strategy."
Mireia Guallar
Mireia Guallar
Marketing Manager, Dermofarm
Empowers AI Visibility & Competitor Insights
"Omnia makes AI visibility easy to understand and act on. It turns a new and often unclear channel into something measurable and actionable, and our team got value quickly."
Rodrigo Romero
Rodrigo Romero
Strategy & Ops Lead, CoverManager
Powerful AI insights with brilliant recommendations
"Omnia enables us not only to measure Share of Voice and compare against competitors, but it also features a recommendations section that is absolutely brilliant."
Ricardo Gonzales
Ricardo González
Head of Growth, Product Hackers
Great tool to understand and grow your AI visibility
"What stands out the most is how actionable the insights are: not just data, but clear opportunities to improve our presence and capture more AI-driven traffic."
Pedro Sala, Growth Manager at INDYA
Pedro Sala
Growth Manager, INDYA
SEO for AI, a tool that makes brands visible in LLMs
"Omnia gives us visibility into a channel we had zero clarity on before: AI-driven answers, and how we compare to competitors. In short, it prevents us from being invisible in AI search."
Dani Turcanu
Daniela Turcanu
Head of Marketing, Walls.io
Revealing insights to measure your brand presence in LLMs
"Omnia is the perfect tool for analyzing brand visibility in LLMs. Easy to use, intuitive, and very revealing in terms of insights and competitors. An ideal starting point for a GEO strategy."
Mireia Guallar
Mireia Guallar
Marketing Manager, Dermofarm
Empowers AI Visibility & Competitor Insights
"Omnia makes AI visibility easy to understand and act on. It turns a new and often unclear channel into something measurable and actionable, and our team got value quickly."
Rodrigo Romero
Rodrigo Romero
Strategy & Ops Lead, CoverManager
Powerful AI insights with brilliant recommendations
"Omnia enables us not only to measure Share of Voice and compare against competitors, but it also features a recommendations section that is absolutely brilliant."
Ricardo Gonzales
Ricardo González
Head of Growth, Product Hackers

Other free AI SEO tools

AI Visibility Checker
Free
Check how your brand appears across ChatGPT, Perplexity, Google AI Overviews & Google AI Mode. Free AI visibility report with share of voice, citations & 10 real prompts.
ChatGPT Visibility Checker
Free
Free ChatGPT visibility checker. See if ChatGPT recommends your brand, your share of voice vs competitors, and the sources it cites. Results in seconds.
FAQ Schema Generator
Free
Generate valid FAQ schema (FAQPage JSON-LD) in seconds. Paste your questions or a URL, copy the code, and help AI engines cite your answers. Free, no sign-up.
LLMS.txt Generator
Free
Get a clean, valid llms.txt in seconds along with a quick plan to improve your domain's visibility in AI search.

Improve your AI visibility with Omnia

Start for Free
No credit card required · Free for 14 days

Frequently Asked Questions

What is an LLMs.txt file?

llms.txt is a plain-text file you place at the root of your site (yoursite.com/llms.txt) that gives AI models a curated map of your most important pages. Proposed through llmstxt.org, it uses simple Markdown: a title, a one-line summary, and grouped lists of links with short descriptions. Think of it as a table of contents written for large language models instead of search crawlers.

Does my website need an llms.txt file?

Short answer: no, you don't need one, but it won't hurt to have one.

llms.txt is optional. No search engine or AI model requires it, and no major AI provider has confirmed it changes how you show up in AI answers. It's low-effort hygiene, closer to a tidy sitemap than a growth strategy. Adding one takes about two minutes with the generator above, so if you like keeping things in order, go ahead. Just be clear about what it will and won't do.

Where should I install the llms.txt file on my site?

At the root of your domain, so it is reachable at yoursite.com/llms.txt.

Do ChatGPT, Perplexity, and Claude use llms.txt?

None have confirmed it. Adoption is unproven, so do not rely on it for visibility.

Will llms.txt improve my AI visibility or rankings?

Unlikely on its own. It is hygiene. Real gains come from being cited in the sources AI models quote.

Is this llms.txt generator free?

Yes, generate and download as many as you like.

Omnia helps brands discover high‑demand topics in AI assistants, monitor their positioning, understand the sources those assistants cite, and launch agents to create and place AI‑optimized content where it matters.

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