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Utilerio

SEO Tools

Generate meta tags, robots.txt and schema markup, then check keyword density and readability — everything runs in your browser.

14 tools in this category

Meta Tag Generator

Generate title, description, Open Graph and Twitter Card meta tags, ready to paste into <head>.

Robots.txt Generator

Build a robots.txt with per-agent allow/disallow rules and a sitemap reference.

Schema Markup Generator

Generate JSON-LD structured data for an Article, Product, FAQ page or Local Business.

Keyword Density Analyzer

See the top single words and phrases in a text, with a density check for a focus keyword.

Readability Score Checker

Get a Flesch Reading Ease score and grade level for English text, or an Ateşman score for Turkish.

HTTP Header Checker

See any public URL's status code and response headers, with short explanations for the cache and security ones.

Redirect Chain Checker

Follow a URL's redirects hop by hop and see the status code and destination at every step.

DNS Lookup

Look up a domain's A, AAAA, MX, TXT, CNAME and NS records, with TTL and resolver info.

SSL Certificate Checker

Check a website's TLS certificate: issuer, expiry date, days remaining and whether browsers trust it.

Broken Link Checker

Crawl a site from a starting URL and find every link that returns an error or fails to load.

Open Graph Image Designer

Design a 1200×630 social share image with a title, subtitle, logo and gradient background.

UTM Link Builder

Build one or many UTM-tagged campaign URLs from source, medium, campaign, term and content, export as CSV.

XML Sitemap Generator

Paste a list of URLs to generate a standard XML sitemap, with optional lastmod, changefreq and priority.

Hreflang Tag Generator

Generate reciprocal hreflang link tags for a page's translations, with an optional x-default.

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