SEO tools
Meta tags, sitemaps, robots, and audits.
Google SERP Preview
Preview how your title, URL, and description will appear in Google search results.
Headline Analyzer
Score a headline on length, structure, and power-word use — see what's pulling its weight.
Hreflang Tag Generator
Generate <link rel="alternate" hreflang="…"> tags for international SEO from a simple table.
Keyword Density Checker
Analyse text for word, phrase, and n-gram frequency — see what your content is actually about.
Open Graph Tag Generator
Build Open Graph and Twitter Card meta tags from a simple form, with a live share preview.
Readability Checker
Score your text with Flesch–Kincaid, ARI, Coleman–Liau, and Gunning Fog.
Robots.txt Generator
Build a robots.txt for your site with a guided UI.
Schema Markup Generator
Generate JSON-LD structured data for FAQ, LocalBusiness, Article, and Product pages.
Sitemap Validator
Validate sitemap.xml against the protocol and inspect every URL inside.
SPF / DKIM / DMARC Parser
Paste an email-auth TXT record and see it broken down, validated, and explained.
Structured Data Tester
Paste JSON-LD or a page's HTML to validate schema.org blocks and see what each one declares.
Title & Meta Description Length Checker
Check whether your title tag and meta description fit Google's truncation limits.