Free Online SEO Tools

Meta tag generator, robots.txt, sitemap, schema, SERP preview, and more free SEO utilities. Build and check on-page SEO in your browser.

Check if a webpage has a valid canonical tag to prevent duplicate content issues

Analyze the heading structure (H1-H6) of any webpage for SEO best practices

Generate correct hreflang tags for multi-language and multi-regional websites

Create JSON-LD structured data markup for articles, products, events, and more

Preview how your webpage will look in Google search results on desktop and mobile

Generate XML sitemaps for your website to help search engines crawl your pages

Validate your schema markup and structured data for errors and warnings

Generate SEO, Open Graph, Twitter, verification, and structured data meta tags with live previews and exports

Create advanced robots.txt files with multiple user-agents, sitemap management, presets, and diagnostics

Generate Open Graph meta tags for optimal social media sharing on Facebook, Twitter, LinkedIn, and other platforms

Analyze keyword and phrase frequencies with n-grams, stopword filtering, highlighting, and export options

Calculate CTR with Wilson confidence intervals, A/B significance, sample size, and bulk campaign analysis

Why Use Our Free Tools?

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Generate SEO, Open Graph, and social tags with tailored presets for every page type

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Instantly preview snippets and catch issues before publishing to search engines

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Craft robots.txt files with multi-agent rules, sitemaps, and quick best-practice presets

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All generation happens in your browser so your site plans stay secure