Free.Tools

Free SEO & AI Tools

A growing collection of free, browser-based tools for SEO and AI-visibility (GEO/AEO). No login, no email — all the heavy work happens in your browser.

16 live toolsNo sign-upPrivacy-safe

Schema & AI

AI Visibility Checker

Is ChatGPT citing your site? Get a readiness score across 6 AI platforms — ChatGPT, Perplexity, Claude, Gemini, Copilot, Google AI.

AEOGEONo loginOpen

Schema Markup Generator

Generate JSON-LD for Organization, FAQ, HowTo, Product & more — paste-ready.

JSON-LDRich ResultsOpen

llms.txt Generator

Build a proper llms.txt so ChatGPT, Claude & Perplexity reference the right pages.

AEOGEOOpen

robots.txt Generator

Build robots rules with AI-crawler presets (GPTBot, ClaudeBot, PerplexityBot, etc.).

Crawler controlOpen

AI Crawler Tester

Paste your robots.txt — see which AI engines (ChatGPT, Claude, Perplexity, Gemini) can crawl your site. Blocking them = invisible in AI search.

AEOGEO16 AI botsOpen

Entity Authority Checker

Do AI engines recognize your brand as a real entity? Check Google Knowledge Graph, Wikidata & Wikipedia presence — the #1 GEO trust signal.

GEOE-E-A-TKnowledge GraphOpen

Meta & On-page

SERP Snippet Preview

Preview your title + meta exactly how Google shows it. Live pixel-width check.

Pixel widthOpen

Meta Tag Generator

Title, description, Open Graph & Twitter cards in one place. Copy paste ready.

OGTwitterOpen

Canonical Tag Generator

Generate the right canonical link tag for any page — handles URL normalisation.

Duplicate contentOpen

Content

Keyword Density Analyzer

Paste your text — see 1-word, 2-word & 3-word density. Spot keyword stuffing.

N-gramsOpen

Readability Checker

Flesch Reading Ease + grade level. Target Grade 8 for top organic content.

FleschOpen

Word & Character Counter

Word, character, sentence & reading-time count with title/meta length checks.

Title 60chMeta 160chOpen

Technical

Sitemap XML Generator

Paste up to 500 URLs — get a valid sitemap.xml with lastmod and priority.

XMLOpen

Hreflang Tag Generator

Generate valid hreflang tags for multilingual/international sites — a key GEO signal for global brands.

InternationalGEOOpen

Open Graph Preview

See how your link will appear on Facebook, LinkedIn, WhatsApp & X. Fetches and validates your OG + Twitter Card tags live.

Social previewOG tagsOpen

HTTP Header Checker

Inspect status, redirects, cache, HSTS, X-Robots-Tag & all response headers — server-side, follows the full chain.

Redirect chainSecurityOpen

Need the full system?

These tools cover the manual workflows. SEO Agent automates them across every page — live AI-visibility tracking, content planning, technical audits, and the Code Fixer that opens pull requests for you.

Try SEO Agent free