Free SEO Tools
Practical tools for keyword research, technical SEO, content analysis, and campaign tracking. Everything runs in your browser — no sign-up, no data stored.
Keyword Research
On-Page SEO
Technical SEO
Schema Markup Generator
Generate valid JSON-LD structured data for FAQ, Article, LocalBusiness, Product, and more.
Robots.txt Generator
Build a valid robots.txt with a visual editor. Includes AI crawler blocking presets.
Hreflang Tag Generator
Generate correct hreflang tags for multilingual sites in HTML or XML sitemap format.
Redirect Chain Checker
Follow and visualise the full redirect chain for any URL. Detect loops and 302s.
Analytics
Content
Keyword Density Checker
Analyse word frequency, 2-word and 3-word phrase density in your content.
Readability Score Calculator
Check Flesch Reading Ease, Flesch-Kincaid Grade Level, and Gunning Fog Index.
Internal Link Suggester
Find internal linking opportunities between two pages by matching anchor text phrases.
Word Counter
Count words, characters, sentences, and paragraphs. See reading time and top keywords.
Text Diff Checker
Compare two texts side by side. Highlight additions, deletions, and modifications.
Website Audit
Website Grader
Get an instant A–F grade covering SEO, page speed, security, and content quality.
Website Speed Checker
Test Core Web Vitals — LCP, CLS, and more — with actionable speed recommendations.
Broken Link Checker
Scan any page for broken links and 404 errors. Export results as CSV.
SSL Certificate Checker
Check SSL expiry, issuer, and chain validity. HTTPS is a Google ranking signal.