Free AI SEO Resources
Every free tool, dataset, glossary, guide, and comparison we publish — in one place. No paywall, no sign-up required.
Free Tools
AI SEO Tools — No Sign-Up Required
AI Content Humanizer
Strip the robot out of AI-generated text. Make it sound human.
Use free →AI Content Optimizer
Score and optimize your content for ChatGPT, Claude, and Perplexity citations.
Use free →AI Crawlability Checker
See if ChatGPT, Perplexity, and Claude bots can actually read your site.
Use free →ChatGPT Search Query Extractor
Reveal the hidden searches ChatGPT runs when it answers your topic.
Use free →LLMs.txt Generator
Auto-generate an llms.txt file so AI crawlers understand your site.
Use free →Query Fan-Out Generator
Visualize how AI breaks one question into a tree of research queries.
Use free →AI FAQ Generator
Generate 20 People-Also-Ask questions and answers for any topic.
Use free →AI Entity Extractor
Extract every person, brand, product, and concept from your content.
Use free →AI Citation Opportunity Finder
Find exactly what you need to add so AI engines cite your page.
Use free →AI Visibility Score Checker
Get a score for how visible your content is in ChatGPT, Claude, Perplexity, and Gemini.
Use free →AI Search Snippet Preview
Preview how your page will appear as an AI-generated answer.
Use free →More Free Tools
AI Startup Idea Evaluator
Honest score, strengths, weaknesses, and a sharp roast before you build.
PDF to Markdown Converter
Extract clean, structured Markdown from any PDF file.
DOCX to Markdown Converter
Turn Word documents into clean Markdown instantly.
HTML to Markdown Converter
Strip HTML tags and get clean, readable Markdown.
JSON to Markdown Converter
Transform JSON data into readable Markdown tables and docs.
Webpage to Markdown Converter
Extract clean Markdown from any public webpage URL.
Free QR Code Generator — No Ads & No Expiry
Generate high-quality custom QR codes instantly. 100% free forever, no ads, no limits.
Statistics & Research
AI Search Data & Industry Statistics
AI SEO Statistics 2026 — 50+ Data Points on AI Search
18 data points
View statistics →AI SEOChatGPT Statistics 2026 — Usage, Search Volume & Citation Patterns
18 data points
View statistics →AI SEOPerplexity AI Statistics 2026 — Growth, Users & Citation Data
15 data points
View statistics →GEOGEO Statistics 2026 — Generative Engine Optimization Adoption & Data
15 data points
View statistics →AI SEOAI Search Market Statistics 2026 — Market Share, Growth Rates & Forecasts
18 data points
View statistics →LLM SEOLLM SEO Statistics 2026 — Content Indexing, Citation Factors & LLM Ranking Data
15 data points
View statistics →Glossary
AI SEO Glossary
Every term you need to know for AI search optimization — GEO, LLM SEO, AI Overviews, llms.txt, entity markup, and more — defined clearly with context.
Browse the Glossary →Guides & Comparisons
AI SEO Guides
AI SEO — Complete Guide 2026
The definitive guide to optimizing for AI search engines in 2026.
Read guide →GEO Guide — Generative Engine Optimization
How to optimize for generative AI engines: ChatGPT, Perplexity, and Google AI Overviews.
Read guide →LLM SEO Guide
Optimize your content for large language models and the answers they generate.
Read guide →AI SEO Comparisons
GEO vs SEO
GEO vs SEO explained: the key differences between Generative Engine Optimization...
Read comparison →ChatGPT Search vs Perplexity AI
ChatGPT vs Perplexity: a detailed comparison of both AI search engines, their ci...
Read comparison →LLM SEO vs Traditional SEO
LLM SEO vs traditional SEO: how optimizing for large language models differs fro...
Read comparison →Claude (Anthropic) vs ChatGPT Search
Claude vs ChatGPT for AI search: how Anthropic's Claude and OpenAI's ChatGPT dif...
Read comparison →Perplexity AI vs Google AI Overviews
Perplexity vs Google AI Overviews: how these two AI search experiences differ in...
Read comparison →AI SEO vs Content Marketing
AI SEO vs content marketing: how optimizing for AI search engines differs from t...
Read comparison →ChatGPT Search vs Google Search
ChatGPT Search vs Google: how the two biggest search experiences compare in 2026...
Read comparison →Generative Engine Optimization (GEO) vs Search Engine Optimization (SEO)
The complete comparison of Generative Engine Optimization (GEO) vs Search Engine...
Read comparison →Ready to act on all this?
Resolve AI turns your website into an AI-ready answer engine — ingesting your content and giving visitors instant, accurate answers 24/7.