Free LLMs.txt generator
Generate a spec-compliant llms.txt file for your site in seconds. Help AI assistants like ChatGPT, Claude, and Perplexity understand your site structure and represent your brand accurately.
No credit card required · Spec-compliant output · Works with any AI crawler that reads llms.txt
ChatGPT
Claude
Perplexity
Gemini
Grok
CopilotHow it works
Input your URL, output your llms.txt file
Three simple steps to make your site AI-readable.
Enter your URL
Paste your homepage URL and we crawl it with a real AI crawler user agent, following up to 30 internal links.
We generate the file
We extract your brand, tagline, and description, then organize internal links into sections per the llms.txt spec.
Download & deploy
Review the markdown, edit if needed, download llms.txt, and upload it to your site root at /llms.txt.
What's included
Everything you need to be visible to AI
Clean, spec-compliant output that AI assistants can consume directly, ready to deploy.
Auto-extracted brand identity
We pull your brand name, tagline, and description directly from your site metadata.
Organized link sections
Links are grouped into logical sections: Docs, Blog, Pricing, About, and more.
Per-page summaries
Each discovered page gets a concise, AI-readable description.
Markdown output
Clean, spec-compliant markdown that AI models can consume directly.
Editable before download
Review and refine every line of your llms.txt before deploying.
Spec-compliant
Follows the official llms.txt specification used by leading AI platforms.
Free, no signup required
No credit card, no account needed. Just paste your URL and go.
Drop-in deployment
Download a ready-to-upload file, just place it at your domain root.
Common questions
Everything you need to know about llms.txt and how Sona helps you stay visible to AI agents.
An llms.txt file is a markdown-formatted file placed at the root of your website (e.g., yourdomain.com/llms.txt). It gives AI language models a structured, easy-to-parse summary of your site's content, brand, and key pages, similar to how a sitemap helps search engine crawlers.
AI models like ChatGPT, Claude, and Perplexity have limited context windows and struggle to parse complex HTML. An llms.txt file provides the key information about your site in a format AI can natively consume, improving how your brand is represented in AI-generated responses and generative search results.
robots.txt tells crawlers which pages to avoid indexing. llms.txt is the opposite: it's a positive signal that tells AI models exactly what you want them to know about your site. It's not about blocking, it's about clarity and AI visibility.
Place the file at the root of your domain: https://yourdomain.com/llms.txt. AI tools that support the standard will automatically find and use this file when crawling your site.
llms.txt is a concise index with links and short descriptions, ideal for AI models with limited context. llms-full.txt is an extended version containing the full content of each page inline. Our generator creates both: download the standard llms.txt plus a ready-to-deploy llms-full.txt from the same crawl.
Yes, completely free. No credit card required, no account needed. Just paste your URL and download your llms.txt file.
Our generator extracts real metadata from your live site: page titles, meta descriptions, OG tags, and body text. The output is generally accurate, but we recommend reviewing and editing the file before deploying, especially for the brand description and page summaries.
Yes. After generation, the file is fully editable in your browser. Use the curation panel to include or exclude pages, reorder them, and write custom descriptions, or edit the raw file directly. A built-in validator checks your edits against the llms.txt spec before you download.
Traditional SEO optimizes your site for search engine algorithms. AEO (AI Engine Optimization) is about making your brand and content visible and accurate in AI-generated responses. As more users turn to ChatGPT, Perplexity, and Claude for answers, AEO ensures your brand appears correctly. Sona's Agent Analytics platform helps you monitor and improve your AI visibility continuously.
From the blog
Learn the standard before you ship it
Guides on llms.txt, AI SEO, and getting your brand cited by ChatGPT, Claude, and Perplexity.
· 6 min read
What Is llms.txt? The Complete Guide for 2026
A plain-English guide to the llms.txt standard: what the file is, how the format works, why AI models use it, and how to create one for your site in seconds.
Read article· 5 min read
llms.txt vs robots.txt: Key Differences Explained
robots.txt blocks crawlers; llms.txt guides AI models. Here's how the two files differ, why you need both, and how they work together for AI SEO.
Read article· 7 min read
How to Improve Your Brand's Visibility in ChatGPT, Claude & Perplexity
A practical AEO/GEO playbook: the steps that make AI assistants describe your brand accurately and cite your pages, starting with an llms.txt file.
Read articleWant continuous AI visibility monitoring?
Monitor your AI presence and track how every page translates into new opportunities across ChatGPT, Claude, Perplexity, and more.