Free SEO tools, built to actually use

Meta Tag Generator

Build title, description, canonical, and Open Graph/Twitter tags with live length guidance.

OG Image Tester

Check your open graph tags and preview the real Facebook, LinkedIn, X, and Slack card.

Robots.txt Generator

Build a robots.txt with per-crawler rules, including AI bots like GPTBot and ClaudeBot.

Schema Markup Generator

Build valid JSON-LD for Article, Product, FAQ, Recipe, and 9 other schema.org types.

SERP Snippet Preview

Preview your title and description as a real Google result, with pixel-accurate truncation.

Broken Link Checker

Crawl a page's links and find the ones that are dead before your users do.

Security Headers Checker

CSP, HSTS, and every other HTTP security header - analyzed, not just listed.

Open Graph Checker

See whether your page has the og:title, og:description, and og:image tags social platforms need.

Schema Markup Checker

Check whether your page ships JSON-LD structured data search engines and AI agents can read.

Sitemap Checker

Check whether your sitemap.xml is reachable, valid, and free of common mistakes.

Redirect Checker

Trace a URL's redirect chain and catch loops, excess hops, and HTTPS-to-HTTP downgrades.