Free tools
Free SEO tools online, no signup
Small tools for the jobs that come up every week. They run in your browser and nothing you paste leaves it. For a full check of a live page, run the free SEO audit.
Audit 1
Writing and keywords 3
- Word counterCount words, characters, sentences and reading time, and check text against SEO length limits.
- Keyword density checkerSee your most repeated words and phrases, and where a focus keyword appears.
- Readability checkerFlesch score, grade level and long sentences highlighted, with a passive voice estimate.
Titles, meta tags and social 5
- SERP snippet previewSee how your title and meta description fit in Google results, measured in pixels.
- Meta tag generatorTitle, description, canonical, Open Graph and X card tags, ready to paste.
- Open Graph previewPaste a page head and see the link card apps will build from it.
- Title case converterCapitalize headlines in AP, APA or Chicago style or sentence case, with a title width check.
- Meta description length checkerCheck a description in characters and pixels against desktop and mobile limits.
Headings, images and page structure 3
- Heading structure checkerSee a page's H1 to H6 outline as a tree, with missing H1s, skipped levels and empty headings flagged.
- Image alt text checkerList every image in a page's HTML with its alt state and common mistakes, and copy it as CSV.
- Table of contents generatorTurn HTML or Markdown headings into a nested, linked table of contents with unique ids.
Structured data 3
- JSON-LD validatorFind syntax errors and missing required properties in your structured data.
- FAQ schema generatorWrite FAQPage JSON-LD from your questions and answers, escaped and ready to paste.
- Schema markup generatorBuild JSON-LD for Organization, LocalBusiness, Article, Product, Breadcrumbs, Person and WebSite.
Crawling and indexing 5
- robots.txt testerCheck whether a URL is allowed or blocked for any crawler, with the rule that decided it.
- hreflang tag generatorBuild hreflang link tags for every language version, with x-default and checks.
- robots.txt generatorBuild a WordPress-safe robots.txt, with optional rules for AI training crawlers.
- llms.txt generatorWrite an llms.txt file in the proposed format: summary, sections and links.
- XML sitemap validatorCheck a sitemap against the protocol: namespace, URLs, lastmod dates and limits.