These free SEO and AI-search tools run entirely in your browser — nothing you type is sent to a server, there is no signup, and there are no usage limits. Each tool produces copy-ready output you can paste straight into your site, plus a download option where it makes sense.
Metadata
SEO Meta Tag Generator
Title tag, meta description, robots directive, canonical, Open Graph, and Twitter Card markup from one form — with a live search-result preview and character counters that warn you before truncation.
Open tool →Structured data
Schema Markup Generator
Valid JSON-LD for six schema types — Article, FAQ, Organization, Local Business, Breadcrumb, and Product. Empty fields are omitted automatically, so the output is always clean.
Open tool →Crawl control
Robots.txt Generator
Default policy, disallow paths, allow exceptions, sitemap declaration — plus per-bot controls for nine crawlers including GPTBot, ClaudeBot, PerplexityBot, and Google-Extended.
Open tool →Indexing
XML Sitemap Generator
Paste URLs one per line and get a protocol-valid sitemap.xml — deduplicated, validated, up to 50,000 URLs, with optional lastmod and a one-click download.
Open tool →AI readiness
AEO Readiness Analyzer
Paste any article and get a 0–100 score for how easily AI answer engines can extract and cite it — with specific fixes for your opening answer, headings, FAQ block, and readability.
Open tool →AI crawlers
llms.txt Generator
Build a curated /llms.txt file that tells ChatGPT, Claude, Perplexity, and Gemini which of your pages matter most and what each one covers.
Open tool →AI access
AI Crawler Access Auditor
Paste your robots.txt and see instantly which of 20 AI crawlers — GPTBot, ClaudeBot, PerplexityBot, Google-Extended and more — you are allowing or blocking.
Open tool →AI visibility
AI Citation Tracker
Log whether ChatGPT, Perplexity, Gemini, and Google AI Overviews cite your site for the queries that matter, and track your share of voice over time.
Open tool →Snippet preview
SERP & AI Snippet Preview
See how your title and meta description render in Google on desktop and mobile with real pixel-width truncation, plus a preview of the 40–60 word passage an AI engine is most likely to quote.
Open tool →Schema QA
Schema Validator
Paste any JSON-LD to catch syntax errors and missing recommended fields for common types — Article, FAQ, Product, Organization and more — before you publish.
Open tool →Entities
Keyword & Entity Extractor
Extract the top keywords, phrases and named entities from any text, so you can check the topic a page actually signals to search engines and AI models.
Open tool →Readability
Readability & Plain-English Scorer
Score any draft with Flesch Reading Ease and grade level, and flag long sentences, passive voice and jargon — the clarity that helps content get read and quoted.
Open tool →FAQ schema
FAQ Schema Generator
Turn your questions and answers into valid FAQPage JSON-LD for rich results and AI citations — copy or download, ready to paste into any page.
Open tool →Which tool do you need?
If you are setting up a new page, start with the meta tag generator for the head section, then add structured data. If you are launching or auditing a whole site, the robots.txt generator and sitemap generator cover crawl and discovery — and our technical SEO checklist ties it all together.
Optimizing for AI search? Run your content through the AEO readiness analyzer to score how citable it is, publish an llms.txt file to point AI crawlers at your best pages, use the AI crawler access auditor to confirm the bots behind ChatGPT, Claude, Perplexity, and Gemini can actually reach you, and track results over time with the AI citation tracker. For the reasoning behind each output, every tool page links to the relevant deep-dive guide.
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