Best Free SEO Tools 2026
A complete suite of technical SEO tools for metadata, schema, crawling, sitemaps, international SEO, and search previews.
Meta Tag Checker
Inspect title, description, Open Graph and Twitter metadata from any page.
Open tool →Title Tag Checker
Check title length and display width before publishing.
Open tool →Meta Description Checker
Validate meta description length and search-result fit.
Open tool →Canonical URL Checker
Verify canonical implementation and target URLs.
Open tool →Hreflang Checker
Find common international SEO hreflang mistakes.
Open tool →Robots.txt Tester
Test whether URLs are crawlable for selected bots.
Open tool →XML Sitemap Validator
Validate sitemap structure and common Google compatibility issues.
Open tool →Schema Markup Checker
Extract and inspect JSON-LD structured data.
Open tool →Schema Markup Generator
Create JSON-LD for common website entities.
Open tool →Article Schema Generator
Generate Article, NewsArticle and BlogPosting JSON-LD.
Open tool →SERP Preview
Preview how titles and descriptions may appear in search results.
Open tool →Open Graph Preview
Preview how pages look when shared on major social platforms.
Open tool →Free seo tools without the clutter
Use these free SEO tools to inspect, generate, and validate the signals search engines rely on. Each utility is focused on a specific technical SEO task so you can diagnose problems quickly and move straight to the fix.
SiteTidy keeps each tool focused on one job, with direct links between related utilities so you can move from diagnosis to remediation without hunting through multiple sites.