LLMs.txt Generator & Validator
Create a structured llms.txt file from your most important website pages or validate an existing file. Check headings, summary, link syntax, duplicate URLs, cross-domain links, and file size, then copy or download the finished Markdown.
Start tracking AI visibilityPaste an existing file here to validate it immediately, or use the generator below.
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What this tool measures
Markdown structure, headings, summary, URL validity, duplicate links, and cross-domain links.
How to use it
- 1
Provide the input
Enter factual site details and important page URLs.
- 2
Configure the check
Generate and validate the Markdown.
- 3
Use the results
Publish it at /llms.txt only if it fits your documentation strategy.
Move from a one-time check to continuous AI visibility
Monitor prompts, competitors, mentions, citations, and the pages AI systems use. Then turn the evidence into content and client-ready reporting.
Start a free AI visibility auditIf you checked a URL, its domain is carried into project setup in this browser.
Research and official sources
Recommendations are tied to current provider documentation, standards, academic research, or clearly labeled vendor studies.
The llms.txt proposal
llms.txt community proposal
Proposes a Markdown file containing selected inference-time website information.
Limitation: Community proposal, not a universally adopted standard.
AI search optimization guidance
Google Search Central
Crawlability, indexability, visible text, and ordinary SEO foundations apply to AI search. Google ignores llms.txt.
Limitation: Google-specific guidance does not establish behavior for every answer engine.
Methodology v1.1 · Last reviewed 2026-08-11
Frequently asked questions
Does this guarantee visibility in AI answers?
No. The tool measures observable signals or calculates from your inputs. Retrieval, mentions, citations, and rankings remain controlled by each provider.
Does Google use llms.txt?
Google says it ignores llms.txt; the file neither helps nor harms Google Search visibility.
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