FREE SEO TOOLS

18 Free Tools. Zero Signup. Instant Results.

Analyze any URL or paste text to get instant SEO insights. From meta tags to heading structure to favicon detection — every tool is free, fast, and runs in your browser.

ON-PAGE SEO

Meta Tag Checker

Analyze title, description, OG & Twitter tags

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SERP Preview

Google desktop & mobile SERP preview

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Open Graph Checker

Preview Facebook & Twitter social cards

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Heading Structure Checker

H1-H6 hierarchy tree & issue detection

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Keyword Density Checker

Top keywords, density % & word cloud

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TECHNICAL SEO

Robots.txt Checker

Validate robots.txt syntax & directives

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Sitemap Validator

XML sitemap format, URL count & issues

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Redirect Checker

Follow redirect chains & detect loops

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Canonical Tag Checker

Canonical URL detection & validation

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Schema Markup Validator

JSON-LD detection & validation

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PERFORMANCE & SECURITY

HTTP Header Checker

Response headers, security & caching

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SSL Certificate Checker

HTTPS status, cert details & expiry

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Mixed Content Checker

HTTP resources on HTTPS pages

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CONTENT

Word Counter

Word count, reading time & content ratio

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Broken Link Checker

Find broken internal & external links

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Image Alt Text Checker

Missing or empty alt attributes

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UTILITY

Favicon Checker

Detect & preview site favicons

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Tech Stack Detector

CMS, frameworks & analytics detection

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Want a Full SEO Audit?

These tools check one thing at a time. Our full audit runs 50+ checks across 11 categories in under 30 seconds.

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