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Free SEO Tools — Meta Tags, Schema, Robots.txt Generator

14 free tools for technical SEO. Generate meta tags, JSON-LD schema markup, robots.txt with AI bot blocking, XML sitemaps. Preview SERP & OG cards. No signup.

Free Tools

Schema Types

CMS Checklists

Generators

Meta Tags

Title, OG, Twitter Cards

Schema Markup

JSON-LD structured data

Robots.txt

AI bot blocking included

XML Sitemap

Priority & changefreq

Analyzers

SERP Preview

Google desktop & mobile

OG Preview

Social share cards

Heading Analyzer

H1-H6 hierarchy

Keyword Density

TF-IDF & readability

More Utilities

AI Crawler Audit Hreflang Generator CSP Header Builder Redirect Checker IndexNow Ping Bulk Meta Analyzer

Reference

Schema Markup Guide

15 JSON-LD schema types with required props & examples

Browse types →

Checklists

CMS SEO Checklists

WordPress, Shopify, Next.js, Astro & 6 more

View checklists →