Free AI Search & SEO Tools Suite: Optimize for ChatGPT & Google | Zelitho
✦ 2026 Generative Engine Optimization (GEO) Suite

Free AI Search & SEO Tools for High-Growth Brands

Diagnose, optimize, and claim your authoritative citation footnotes across ChatGPT Search, Perplexity, Claude, and Google AI Overviews. 100% free with zero registration required.

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Most Popular

AI Citation Checker

Verify in real time whether ChatGPT Search and Perplexity cite your website as a verified source footnote or skip your brand for competitors.

  • ✓Live ChatGPT & Perplexity answer audit
  • ✓Citation Rank & competitor footnote gap
  • ✓Verified CPC benchmark valuation
Launch Citation Checker →
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New Release

AI Citeability Checker

Score any article (0–100) against 2026 LLM retrieval benchmarks, opening claim density, numerical grounding, and 256-token chunk self-containment.

  • ✓Natural Language Inference entailment check
  • ✓Intro fluff detector & entity thesis audit
  • ✓3 concrete editorial rewrites to win citations
Launch Citeability Checker →
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New Release

Google SERP & AI Overview Simulator

Simulate typographic pixel widths for Google desktop, mobile, and AI Overview citations. Prevent snippet truncation before hitting publish.

  • ✓Exact 600px desktop & 580px mobile canvas meters
  • ✓Google AI Overview citation card simulation
  • ✓Star ratings, publication dates & FAQ toggles
Launch SERP Simulator →
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Technical SEO

AI Readiness Checker

Inspect whether AI crawlers can discover and ingest your domain. Audits robots.txt permissions, llms.txt protocol, and Schema microdata.

  • ✓GPTBot, ClaudeBot & PerplexityBot crawler audit
  • ✓/llms.txt discovery and syntax validation
  • ✓JSON-LD entity graph readiness score
Launch Readiness Checker →
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Brand Intelligence

AI Search Visibility Checker

Benchmark your brand share of voice and prompt presence across LLM answer engines compared to top industry rivals.

  • ✓Brand presence in conversational prompt searches
  • ✓Competitor mention velocity comparison
  • ✓AI Footprint Health Score calculation
Launch Visibility Checker →
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Schema Utility

FAQ Schema JSON-LD Generator

Generate 100% valid Schema.org FAQPage structured markup to win Google accordion rich snippets and feed entity context to AI search engines.

  • ✓1-Click validated JSON-LD generation
  • ✓Live accordion visualizer for search snippets
  • ✓Zero syntax errors; Google Rich Results ready
Launch FAQ Generator →
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AI Protocol

llms.txt Generator & Validator

Create a clean, standardized /llms.txt file to feed AI agents and conversational search scrapers concise markdown context without token bloat.

  • ✓Official /llms.txt standard compliance
  • ✓Section parser for core pages and resources
  • ✓1-Click copy and direct text file download
Launch llms.txt Generator →

Traditional SEO Tools vs. Zelitho GEO Tools

Traditional keyword tools only measure 10 blue links on Google. Zelitho evaluates how AI large language models retrieve, rerank, and synthesize your content into direct answers.

Evaluation DimensionTraditional SEO Tools (Ahrefs / Semrush)Zelitho GEO Tools Suite
Primary Search SurfaceGoogle & Bing organic 10-blue-link SERPsChatGPT Search, Perplexity, Claude & Google AI Overviews
Visibility MetricKeyword Rank Positions (1–100)AI Footnote Citations, Answer Inclusion & Share of Model
Content AnalysisKeyword density & word count lengthNLI Entailment, Numerical Grounding & 256-Token Chunking
Technical AuditsPage speed, broken links & HTML sitemapsAI Bot Allowances, /llms.txt Protocols & JSON-LD Schema
Search SnippetsRough character limits (60/160 chars)Exact typographic canvas pixel meters (600px/960px) & AI cards

The 2026 Generative Engine Optimization (GEO) Playbook

Search behavior has undergone its most dramatic transformation since the inception of Google PageRank. Millions of high-intent B2B and consumer searches now conclude inside conversational AI answers without users ever clicking traditional blue links. To capture pipeline revenue in this zero-click AI search landscape, marketing leaders must transition from traditional SEO to Generative Engine Optimization (GEO).

1. Establish Technical Crawler Allowances

Before an AI engine can cite your content, its retrieval crawlers must be permitted to ingest your pages. Use our AI Readiness Checker to ensure your robots.txt permits GPTBot, ClaudeBot, and PerplexityBot. Additionally, implement an /llms.txt file to provide AI models with structured, token-efficient summaries of your core commercial offerings.

2. Optimize Content for 256-Token Cross-Encoder Retrieval

Large language models rerank search results using dense vector cross-encoders. When an AI engine evaluates your article, it evaluates self-contained 120-to-220-word chunks. If your paragraphs bury conclusions behind conversational introductory fluff, the model skips your page. Use our AI Citeability Checker to ensure your opening sentences declare entities clearly and pair assertions directly with verified quantitative proof.

3. Track Citation Footnotes Across Multiple LLMs

Traditional rank trackers cannot tell you if your brand is mentioned when a buyer asks ChatGPT, “What are the best enterprise workflow platforms?” Regularly run your primary commercial keywords through our AI Citation Checker to monitor your footnote placement and uncover high-value competitor citation gaps.

Frequently Asked Questions About Zelitho Free Tools

Generative Engine Optimization (GEO) tools are specialized diagnostic and creation utilities designed to help websites gain visibility, source citations, and referral traffic from AI search engines such as ChatGPT, Perplexity, Claude, and Google AI Overviews.
Yes. Every tool in the Zelitho free tools suite is 100 percent free to use with zero registration or credit card required. We provide complimentary daily audits across citations, site readiness, and content citeability.
Traditional rank trackers monitor positions in the 10 blue links on Google. AI citation tracking monitors whether large language models extract and cite your domain as an authoritative footnote in synthesized answers generated by conversational search engines.
An llms.txt file is an open standard markdown document placed in your website root directory. It provides AI crawlers like GPTBot and ClaudeBot with clean, concise, structured summaries of your key pages without parsing complex HTML, CSS, or JavaScript.
Content citeability measures how easily an AI retrieval engine can extract and verify claims from your text. Pages featuring direct entity definitions in the opening 35 words, quantitative grounding, and self-contained 256-token paragraphs are up to 3 times more likely to be cited.

Ready to Dominate AI Search Citations?

Don’t lose high-intent buyers to competitors in AI answers. Partner with Zelitho to publish citation-engineered content that ranks on Google and wins top footnotes across ChatGPT and Perplexity.

⚡ Start Your $5 Pilot Today