Free SEO Tools

Quick utilities for developers. No signup, no AI cost, runs in your browser.

Preview

SERP Preview

See how your page looks in Google search results. Live character counters for title and description.

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Preview

Open Graph Preview

Preview how your page looks when shared on X, Facebook, LinkedIn, and Slack.

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Generator

Robots.txt Generator

Generate a valid robots.txt with toggles for common rules, sitemap URL, and crawl-delay.

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Generator

JSON-LD Schema Generator

Generate structured data for SoftwareApplication, BlogPosting, FAQPage, Product, and more.

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Generator

Meta Tag Generator

Generate a complete set of SEO meta tags: title, description, canonical, Open Graph, Twitter Card.

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The full product

Looking for the scanner?

SEOLint ran 40+ checks, opened the fix as a pull request, and graded it against Search Console. It shut down in July 2026. The tools above still work.

Read the post-mortem

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SEOLint scans 40+ SEO, performance, and accessibility issues in one shot.

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