Free SEO tools
10 tools that don't ask for your email.
100% client-side. We never see what you paste. No signup, no paywall, no dark pattern.
Schema markup generator
Generate JSON-LD for Article, Product, FAQ, Org, LocalBusiness.
Meta tag + SERP previewer
Pixel-accurate Google desktop + mobile preview.
Open Graph & social previewer
Render the Facebook, LinkedIn & X card from your og: tags.
Heading structure analyzer
H1–H6 outline with skipped-level and missing-H1 warnings.
Keyword density analyzer
1/2/3-gram extractor with over-optimization warnings.
Readability score checker
Flesch, Flesch-Kincaid, SMOG, Gunning Fog, ARI.
Title case converter
AP, Chicago & APA title case — stop-word rules built in.
Robots.txt generator + tester
Build, download, and test paths against your rules.
XML sitemap generator
URL list → valid sitemap.xml with lastmod & priority.
Internal link & anchor extractor
Every link, anchor text, rel, and internal/external split.
Want this checked across your whole site automatically?
7-day trial. Cancel any time. From $29/mo.