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Free SEO Tools
Free SEO tools for checking, measuring and planning: authority, keyword density, readability, meta tags, SERP preview, UTM, redirects, status codes, robots.txt and sitemaps.
Domain Authority CheckerSee the authority metrics available for any domain — verified DA/DR for listed publishers, Open PageRank for the rest.FreeBacklink ROI CalculatorEstimate the return on a link-building campaign from its cost and the value of the traffic it brings.FreeKeyword Density CheckerCount how often a keyword appears and see its density alongside the top phrases in your text.FreeWord CounterLive counts of words, characters, sentences, paragraphs and reading time.FreeReadability CheckerFlesch Reading Ease, grade level, sentence length and paragraph structure — with the sentences to fix first.FreeMeta Title & Description CheckerCheck title and description length in characters and approximate pixels, with a live preview.FreeSERP Snippet PreviewSee roughly how your page could appear in Google on desktop and mobile.FreeUTM BuilderBuild clean, consistent campaign URLs for GA4.FreeRedirect CheckerFollow a URL hop by hop and see every redirect, status code and response time.FreeHTTP Status Code CheckerCheck the status code a URL returns and what it means for SEO.FreeRobots.txt TesterFetch a robots.txt (or paste one) and test whether a path is allowed for a user-agent.FreeSitemap URL CheckerCheck that a sitemap is reachable, valid XML and see how many URLs it lists.FreeGuest Post Cost CalculatorEstimate a campaign budget from the number of sites, price, content and link needs.FreeBacklink Campaign PlannerTurn a monthly budget into placements per month, total spend and a realistic timeline.FreeGuest Post Quality CheckerPaste a draft and get a quality score with actionable fixes before you submit it to a publisher.Free