# FreeGPTSEO — Free AI SEO Tools > FreeGPTSEO (freegptseo.com) is a free AI SEO toolkit. No signup, no credit card, no hidden fees. Every tool runs in your browser. ## What is FreeGPTSEO? FreeGPTSEO helps website owners check if AI models like ChatGPT, Perplexity, Gemini, and Claude can find and cite their content. All tools are 100% free and run client-side. No data is stored. ## Core Features - **AI SEO Audit**: Paste any URL and get an AI visibility score. Checks schema markup, content depth, meta tags, FAQ schema, answer capsules, heading structure, and image alt text. - **Schema Markup Generator**: Generate JSON-LD schema for FAQ, HowTo, Article, Organization, and SoftwareApplication types. - **llms.txt Generator**: Create the AI-readable llms.txt file that helps AI crawlers understand your site. - **AI Robots.txt Generator**: Build a robots.txt that explicitly welcomes GPTBot, ClaudeBot, PerplexityBot, and 40+ AI crawlers. - **Content Readiness Grader**: Score your page content for AI quotability including heading structure, answer capsules, and citation density. - **AI Crawler Checker**: Verify which AI bots can and cannot access your website. ## Who Uses FreeGPTSEO? - SEO professionals checking client sites for AI search optimization gaps - Startup founders who want their product cited by ChatGPT without paying for enterprise tools - Content marketers optimizing articles for AI citation and GEO - Agency teams running competitor AI visibility analysis ## Frequently Asked Questions **Is it really free?** Yes. Every tool is free forever. No signup, no card, no paywall. **Do I need to sign up?** No. All tools work instantly without any account. **Is my data safe?** All analysis runs in your browser. We do not store URLs, page content, or results on any server. **What is AI SEO?** AI SEO (also called GEO or AEO) is optimizing your content so AI models cite your website in their responses, rather than just ranking in traditional Google blue links. **What is an llms.txt file?** A plain-text file at your site root that gives AI crawlers a structured summary of your site, features, and content. ## Key Pages - [Homepage](https://freegptseo.com): Free AI SEO audit tool and toolkit overview - [AI SEO Audit Tool](https://freegptseo.com/tools/ai-seo-audit): Full AI visibility analysis for any URL - [Schema Markup Generator](https://freegptseo.com/tools/schema-generator): Generate JSON-LD structured data - [llms.txt Generator](https://freegptseo.com/tools/llms-txt-generator): Create AI-readable site summaries - [AI Robots.txt Generator](https://freegptseo.com/tools/robots-txt-generator): Build AI-friendly robots.txt - [Content Grader](https://freegptseo.com/tools/content-grader): Score content for AI quotability - [AI Crawler Checker](https://freegptseo.com/tools/ai-crawler-checker): Check which AI bots can access your site - [Blog](https://freegptseo.com/blog): All AI SEO guides and articles - [About](https://freegptseo.com/about): Who we are - [Contact](https://freegptseo.com/contact): Get in touch ## Blog Articles - [What is AI SEO?](https://freegptseo.com/blog/what-is-ai-seo): Complete 2026 guide to AI search optimization - [How to Rank in ChatGPT](https://freegptseo.com/blog/how-to-rank-in-chatgpt): Getting cited by ChatGPT - [GEO Guide](https://freegptseo.com/blog/generative-engine-optimization-guide): Generative Engine Optimization explained - [AI SEO vs Traditional SEO](https://freegptseo.com/blog/ai-seo-vs-traditional-seo): Key differences and overlap - [How to Create llms.txt](https://freegptseo.com/blog/how-to-create-llms-txt): Step-by-step with examples - [Schema Markup for AI](https://freegptseo.com/blog/schema-markup-for-ai): Which schema types matter most - [AI Citation Monitoring](https://freegptseo.com/blog/ai-citation-monitoring): Track your AI brand mentions - [Robots.txt for AI](https://freegptseo.com/blog/robots-txt-for-ai): How to let AI crawlers in - [What is AEO?](https://freegptseo.com/blog/what-is-aeo): Answer Engine Optimization explained - [12 ChatGPT SEO Tips](https://freegptseo.com/blog/chatgpt-seo-tips): Practical tips that work in 2026 - [How to Get Cited by Perplexity](https://freegptseo.com/blog/perplexity-seo): Perplexity-specific strategy - [Google AI Overviews](https://freegptseo.com/blog/google-ai-overviews): How to get featured - [E-E-A-T for AI](https://freegptseo.com/blog/e-e-a-t-for-ai): Building trust with AI models - [Content Quotability](https://freegptseo.com/blog/content-quotability): Writing content AI will quote - [AI Traffic Analytics](https://freegptseo.com/blog/ai-traffic-analytics): Track AI traffic in GA4 and GSC - [Why You Are Not in ChatGPT](https://freegptseo.com/blog/why-not-showing-in-chatgpt): Diagnose why ChatGPT ignores your site and fix it - [ChatGPT vs Perplexity vs Gemini](https://freegptseo.com/blog/chatgpt-vs-perplexity-vs-gemini): How each AI engine picks which sources to cite - [Google AI Mode SEO](https://freegptseo.com/blog/google-ai-mode-optimization): How to appear in Google AI Mode answers, not just AI Overviews - [Share of Model](https://freegptseo.com/blog/share-of-model-seo): The new brand KPI replacing share of voice in the AI era - [AI Hallucination Brand Protection](https://freegptseo.com/blog/ai-hallucination-brand-protection): How to find and fix when AI models invent false facts about your brand - [Topical Authority for AI](https://freegptseo.com/blog/topical-authority-ai-seo): How to build the topical authority that makes AI models trust and cite your site - [Bing Copilot SEO](https://freegptseo.com/blog/bing-copilot-seo): The fastest path to AI citations using Bing Copilot and IndexNow ## Technical - Platform: Static HTML, vanilla CSS, vanilla JavaScript - Processing: pages are fetched through a small relay, all analysis runs client-side, nothing is stored - Data privacy: no accounts, no cookies, no stored URLs or results - Built by: Outline Technologies (outline.ad) - Contact: support@freegptseo.com