Product line10 tools
Free Online SEO Tools
Free browser-based SEO tools for the work that happens right before a page ships. Generate the full set of meta tags — standard SEO, Open Graph, and Twitter Card — from one form, and see a live Google result preview that measures truncation in pixels rather than counting characters, which is how Google actually cuts titles and descriptions. Everything is generated locally, so drafts and unreleased pages never leave your device.
FreeNo sign-upRuns in your browser
01Keyword Density AnalyserAnalyse keyword density with 1-, 2- and 3-word phrases, stop-word filtering, and over-use warnings. Free, runs in your browser, no signup.02XML Sitemap GeneratorTurn a list of URLs into a valid sitemap.xml with lastmod, changefreq and priority. Removes duplicates, validates URLs. Free, runs in your browser.03Hreflang Tag GeneratorGenerate hreflang tags for multilingual sites as HTML, HTTP headers or XML sitemap entries. Validates codes and catches duplicates. Free, no signup.04Redirect GeneratorTurn a list of old and new URLs into 301 redirects for Apache, Nginx, Netlify or Vercel. Detects redirect chains and loops. Free, runs in your browser.05Open Graph Preview & DebuggerPaste your meta tags and see exactly how the link will look on Facebook, LinkedIn and X — plus a check for the mistakes that break social cards. Free.06Schema Markup GeneratorGenerate JSON-LD structured data for Article, FAQ, Product, LocalBusiness, Breadcrumb, HowTo and Organization. Free schema markup generator, no signup.07Robots.txt Generator & TesterGenerate a robots.txt file and test any URL against your rules. Shows exactly which rule wins, using Google's longest-match precedence. Free, no signup.08Readability CheckerCheck readability with Flesch Reading Ease, Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau and ARI. Free readability scores in your browser, no signup.09UTM Campaign BuilderBuild tagged campaign URLs with utm_source, utm_medium and utm_campaign. Presets, lowercase normalisation, and validation. Free UTM builder, no signup.10Meta Tag GeneratorGenerate SEO meta tags, Open Graph, and Twitter Card markup with a live Google result preview. Pixel-accurate truncation warnings. Free, no signup.
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