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Free llms.txt Generator for AI SEO & ChatGPT Optimization

Free Tool · WritoryBuzz

Generate a structured llms.txt file for your website, the AI-era companion to robots.txt. Helps ChatGPT, Claude, and Perplexity understand and prioritise your content.

1

Site Information

2 to 4 sentences. Describe what your site does and who it serves.
2

Key Topics and Expertise

List 4 to 8 topics your site covers. These help AI models understand your expertise.
3

Important Pages

Add your most important pages. AI models will prioritise these when citing your site.

4

Optional Details

Your llms.txt File

Copy and upload to your site root as llms.txt


        
How to deploy: Save this as llms.txt and upload it to your server root so it is accessible at yourdomain.com/llms.txt. On WordPress, upload via FTP or File Manager to the public_html folder.
AI Search

What Is an llms.txt File?

An llms.txt file is a plain-text, Markdown-formatted file placed at the root of your domain that tells AI language model crawlers which pages matter most. It sits alongside robots.txt and gives systems like GPTBot, ClaudeBot, and PerplexityBot a prioritised map of your content.

AI referral traffic is still a small share of overall web traffic, roughly one percent by most 2026 measurements, but it is growing fast and Google's AI Overviews now appear on close to half of all Google searches. Giving AI systems a clear content hierarchy is a practical way to prepare for that shift. This free llms.txt generator builds a correctly formatted file in under two minutes with no coding required.

Where robots.txt acts as a gate controlling crawler access, llms.txt acts as a signpost directing AI models toward your highest-value pages. Together the two files form part of the foundation of modern AI search optimisation.

Why Your Site Might Want an llms.txt File

AI-referred sessions grew roughly 527 percent year over year between January and May 2025 according to Previsible and SparkToro research, even though AI referral traffic overall still makes up only about one percent of total web traffic. Growth from a small base is still growth worth preparing for. Without an llms.txt file, AI crawlers must infer your content hierarchy from links and schema alone, which increases the risk of AI systems surfacing outdated pages or low-authority posts instead of your flagship resources.

AI CrawlerOwnerPowersllms.txt Awareness
GPTBotOpenAIChatGPT training and browsingYes
OAI-SearchBotOpenAIChatGPT search featuresYes
ClaudeBotAnthropicClaude web featuresYes
PerplexityBotPerplexityPerplexity AI searchYes
BytespiderByteDanceTikTok AI featuresPartial
CCBotCommon CrawlModel training dataTraining only

"Awareness" means the crawler's operator has acknowledged or supports the llms.txt convention. It is a voluntary, community-driven standard, not something every crawler is confirmed to parse and act on programmatically.

How to Use This llms.txt Generator

Enter your site name and a short description. This description becomes the entity definition AI models use when attributing content to your brand. Next, add the URLs and short titles of your most important pages, including your best-performing articles, key service pages, and cornerstone content.

Click Generate to produce your llms.txt output. Copy the text, save it as a plain .txt file named exactly llms.txt, and upload it to your domain root at https://yourdomain.com/llms.txt. On WordPress, upload via FTP to the public_html folder or use a file manager plugin. Confirm it loads correctly before submitting your sitemap for recrawl.

llms.txt vs robots.txt: Key Differences

FilePurposeControlsAudience
robots.txtCrawler access gateWhich URLs crawlers can visitAll crawlers
llms.txtContent priority guideWhich pages AI should prioritiseAI language models
sitemap.xmlURL discovery mapWhich URLs exist and when updatedAll crawlers

Use all three files together. robots.txt controls access, llms.txt guides AI priority, and sitemap.xml enables discovery. A site with all three gives AI search engines the clearest possible picture of your content.


Frequently Asked Questions About llms.txt

What is an llms.txt file?+
An llms.txt file is a plain-text file at your domain root that tells AI language model crawlers which pages to prioritise. It follows a Markdown-based convention proposed in 2024 and has been voluntarily adopted by a growing number of sites and AI-related tools. Adding it gives you a direct, low-effort way to signal how you want AI systems to discover and cite your content.
Which AI crawlers read llms.txt?+
GPTBot and OAI-SearchBot (OpenAI), ClaudeBot (Anthropic), and PerplexityBot (Perplexity) are the major AI crawlers whose operators have acknowledged the llms.txt convention. Whether each crawler programmatically parses and prioritises based on the file is not independently verified for all of them. robots.txt still handles crawler access, so use both files together.
Where do I upload the llms.txt file?+
Place llms.txt at your domain root so it is accessible at https://yourdomain.com/llms.txt. On WordPress, upload via FTP to the public_html folder or use a file manager plugin. The file must be publicly accessible without redirects or authentication. Some WordPress security plugins block .txt files at the root, so whitelist the filename in your plugin settings if that happens.
How is llms.txt different from robots.txt?+
robots.txt controls whether crawlers can access a URL at all. llms.txt guides AI language models on which content is most relevant. Think of robots.txt as a gate and llms.txt as a signpost. Blocking a page in robots.txt prevents crawling; listing it in llms.txt signals its importance for AI citation. The two files serve different purposes and neither replaces the other.
Does llms.txt improve Google AI Overviews visibility?+
Google has not officially confirmed it reads llms.txt for AI Overviews. However, the structured content guidance it provides aligns with how Google's systems tend to evaluate page importance. Using llms.txt alongside strong schema markup, clear headings, and fast page speeds creates a reasonable foundation for AI citation across Google, ChatGPT, and Perplexity, though none of it is a guarantee.
How often should I update my llms.txt file?+
Update your llms.txt whenever you publish significant new content, restructure your site, or retire important pages. A quarterly review is a reasonable minimum for most sites, and high-frequency publishers should update monthly. Out-of-date files that reference deleted pages can confuse AI crawlers and reduce citation accuracy.
Is the llms.txt standard officially approved?+
No. llms.txt is a community-driven specification, not an official W3C or IETF standard as of 2026. It was proposed by Answer.AI and has been voluntarily adopted by a growing number of websites. Major AI labs have not rejected the format, but the standard is still evolving, so using a tool that outputs current, correctly formatted files is worthwhile for compatibility.