All Free SEO, AEO, and GEO Tools
Browse every PageChecks tool by category. 53 tools, all free, no signup required.
#1 Most Popular
Technical SEO Audit
Run a fast technical SEO audit on any page to find indexing, redirect, canonical, performance, and on-page issues in one scored report.
AI SEO
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AI Answer Engine Schema Builder
Build QAPage, speakable, ClaimReview, and Dataset JSON-LD for answer engines.
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AI Content Freshness Auditor
Cross-check visible dates, JSON-LD, Last-Modified, and sitemap lastmod for stale or conflicting freshness signals.
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Passage & Chunk Optimization Checker
Segment a page into retrieval chunks and score each for AI extractability.
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Comparison Table Extractability Auditor
Score how cleanly AI can extract your HTML comparison tables.
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AI Discovery Files Checker
Probe the well-known AI and agent discovery files a domain should expose.
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Quotable Statement Density
Score how many sentences are liftable, citation-ready statements.
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AI Readiness Checker
Check whether AI crawlers can access your content and whether your pages are easy for LLMs to parse.
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Agent Protocol Readiness Checker
Audit site readiness for AI agents and MCP protocols.
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LLMs.txt Generator + Validator
Generate and validate LLMs.txt with bot directives.
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AI Bot Path Tester
Test AI bot path access against robots.txt and x-robots-tag.
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LLMs.txt Drift Monitor
Compare llms.txt links against sitemap URLs for drift.
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Answer Extractability Checker
Score how easily answer engines can extract page answers.
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Citation Readiness Analyzer
Measure attribution, source, and citation signals on a page.
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Entity Coverage Mapper
Map on-page entities against schema coverage signals.
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Content Intelligence Suite
Visualize heading hierarchy, readability, keywords, entities, AI snippets, and freshness.
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AI Text Humanizer
Clean invisible characters, punctuation fingerprints, and AI filler without rewriting the text.
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Topical Authority Mapper
Cluster crawled pages by dominant topic keywords and visualize coverage gaps.
On-Page SEO
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Title & Meta Pixel-Width Checker
Measure title and meta description pixel width to avoid truncated snippets.
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UTM Campaign Link Builder
Build tagged campaign URLs with consistent utm_source, medium, and campaign values.
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FAQ & HowTo Schema Generator
Build valid FAQPage and HowTo JSON-LD from simple Q&A and step rows.
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Anchor Text & Link Auditor
Audit anchor text, rel attributes, and link security from pasted HTML.
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JSON-LD & Microdata Converter
Convert structured data between JSON-LD and Microdata in either direction.
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Word Count & Keyword Density
Count words and unique terms, then score 1-, 2-, and 3-word keyword density for any URL.
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OG Image Dimension Validator
Verify og:image and twitter:image pixel size, ratio, and weight.
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Meta Tag Checker
Analyze title, description, canonical, robots, and OG tags.
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SERP Simulator
Preview Google title and description snippets on desktop and mobile.
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Schema Generator
Generate JSON-LD for Article, FAQ, Product, LocalBusiness, and more.
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Open Graph Checker
Test OG and Twitter tags with social card previews.
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Hreflang Generator
Generate valid hreflang link tags for multilingual pages.
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Structured Data Validator
Validate JSON-LD syntax and required schema properties.
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Duplicate Content Detector
Find duplicate titles, descriptions, and page content.
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Image SEO Auditor
Audit alt text, file size, and lazy-loading usage.
Technical SEO
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URL Slug & Query Cleaner
Slugify any text and strip tracking parameters from URLs.
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.htaccess & Nginx Redirect Generator
Turn from→to redirect rows into ready-to-paste Apache and Nginx rules.
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Mobile-Friendly Test
Check viewport, layout, tap targets, and phone CrUX field data.
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DNS Records Lookup
Resolve A, AAAA, CNAME, MX, NS, TXT, SOA, and CAA records, then grade SPF and DMARC email-auth health.
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SSL/TLS Certificate Checker
Inspect a site's live SSL/TLS certificate: expiry, hostname (SAN) match, trust chain, HTTPS redirect, and HSTS.
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Single-URL Indexability Checker
Get a clear yes/no on whether Google can index one URL — and the exact reason it can't.
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Favicon & Touch Icon Checker
Detect and validate the full modern icon set: favicon.ico, rel=icon, apple-touch-icon, manifest icons, and theme-color.
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Robots.txt Validator
Validate robots.txt syntax and test URL allow/block behavior.
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Robots.txt Generator
Build robots.txt files with per-bot rules and AI crawler controls.
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Redirect Checker
Trace full redirect chains with status codes and timing.
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XML Sitemap Validator
Validate sitemap format, URL entries, and namespace compliance.
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XML Sitemap Generator
Generate a clean XML sitemap for your site and export sitemap.xml instantly.
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HTTP Header Checker
Inspect cache, security, and content-type headers.
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Canonical URL Checker
Compare canonical tags and final URLs to detect canonical conflicts.
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Hreflang Validator + Cluster Checker
Validate hreflang clusters, return tags, canonicals, and sitemap alignment.
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Technical SEO Audit
Run a fast technical SEO audit on any page to find indexing, redirect, canonical, performance, and on-page issues in one scored report.
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Core Web Vitals Checker
Fetch real-user CrUX metrics for LCP, INP, and CLS.
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Site-Wide Broken Link Checker
Crawl a site and flag broken internal and external URLs.
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Internal Link Graph + Orphan Finder
Map internal links and find orphan pages.
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Batch Indexability Checker
Check indexability signals for many URLs at once.
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Domain Health + Tech Stack Checker
Audit DNS email-auth records, SSL expiry, RDAP age, and detect web stack signatures.