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ToolzHive

Webmaster & SEO Tools

30 free tools

Free webmaster and SEO tools to audit websites, check keyword density, headers, redirects, uptime, sitemaps and broken links, build robots.txt and .htaccess rules and check domains.

Webmaster & SEO Tools – Audit, test and optimize websites.

All 30 webmaster & seo tools

HTTP Headers Checker

View the HTTP response headers and status code of any URL, with a security header review.

Domain Age Checker

Find when a domain was registered, how old it is, when it expires and who the registrar is.

Redirect Checker

Trace every redirect hop of a URL with status codes (301, 302, 307, 308) and the final destination.

Robots.txt Checker

Fetch and validate a site's robots.txt and test whether a URL is allowed for a crawler.

Website Link Analyzer

List every internal and external link on a page with anchor text and nofollow status.

Open Graph Checker

Preview how a URL looks when shared on Facebook, X, LinkedIn and more, and check its meta tags.

AMP Validator

Validate an AMP page against the official AMP validator and see every error.

Robots.txt Generator

Build a robots.txt file with crawler rules, blocked paths, AI bot controls and your sitemap.

Website SEO Audit

Crawl your website and find technical SEO issues, missing tags, broken pages and more.

Keyword Density Checker

Check how often keywords and phrases appear in your content, with a target keyword check.

Share Link Generator

Create social share links for Facebook, X, LinkedIn, WhatsApp, email and more.

SMTP Test Tool

Test an SMTP server by sending a real test email, with TLS/SSL and username and password login.

Practical guides

  • How to Use HTTP Headers Checker

    Check the HTTP response headers and status code of any URL, follow redirects and review security headers such as HSTS, CSP and X-Frame-Options.

  • How to Use Domain Age Checker

    Check how old a domain is. See its registration date, exact age, expiry date, registrar and name servers from the public RDAP registry record. Free.

  • How to Use Redirect Checker

    Trace every redirect of a URL with its status code (301, 302, 307, 308) and the final destination, and spot long chains, temporary redirects and HTTP loops.

  • How to Use Is Website Down Checker

    Check whether a website is down for everyone or just you. See the HTTP status, response time, server and IP address as our server tries to load the site.

  • How to Use Website Server & OS Checker

    Find out which web server, operating system, CDN, CMS and frameworks a website uses, detected from its HTTP headers and page HTML, in one check.

  • How to Use GZIP Compression Checker

    Test whether a website uses GZIP or Brotli compression, see the uncompressed and compressed page size and how much bandwidth compression saves.

Browse all guides

Explore other categories

Text Tools 25 tools HTML Tools 11 tools Image Tools 24 tools PDF Tools 20 tools CSS Tools 19 tools Coding Tools 18 tools Color Tools 12 tools Data Generators 8 tools Unit & Number Converters 12 tools Date & Time Tools 15 tools Math Calculators 27 tools Health & Body Calculators 21 tools Everyday Financial Calculators 34 tools Social Media Tools 12 tools DNS Tools 14 tools IP & Network Tools 20 tools Webmaster & SEO Tools 30 tools Security & Encoding Tools 16 tools Device & Browser Tests 12 tools Productivity Tools 13 tools Home Calculators 30 tools Size Charts 12 tools Research & Academic Tools 27 tools Medical & Clinical Tools 33 tools

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