About
Free SEO tools for developers
QuickSeo is a free collection of online tools for SEO analysis of websites. All tools run directly in the browser - no data is sent to any server. No login, no restrictions, no fees.
Available tools
Meta Checker
Analyze meta tags, Open Graph, Twitter Cards, and essential SEO parameters. Free online tool - everything runs in your browser.
OpenGraph Preview
Preview how your page appears on Facebook, Twitter, and LinkedIn. Free online tool.
Robots.txt Checker
Analyze robots.txt file, validate rules, and check sitemap directives. Free online tool.
Sitemap Checker
Analyze sitemap.xml structure, validate URLs, and check for issues. Free online tool.
Heading Checker
Analyze heading tags (H1-H6) hierarchy and structure. Free online tool.
Canonical Checker
Analyze canonical tags, validate URLs, and check for duplicate content issues. Free online tool.
Schema.org Checker
Analyze Schema.org structured data, JSON-LD, microdata and RDFa. Free online tool.
Hreflang Checker
Analyze hreflang tags for multi-language sites, validate reciprocal links, and check language codes. Free online tool.
Why QuickSeo was built
Developers need fast SEO utilities without installing software or relying on cloud services that process data on servers. QuickSeo solves this problem - everything runs locally in the browser.
Technology
Nuxt 4, Vue 3, TailwindCSS, Web Crypto API. All open-source, with no proprietary dependencies.
Contact
Email: quicktools@post.cz
Sister Projects
Discover more free tools from the Quick family.