for seo
Meta tags, structured data, and content optimization.
12 tools · free, ad-free, processed in your browser
Count characters, words, sentences, paragraphs, and estimate reading time.
Analyze word frequency with bar charts, filtering, and CSV export.
Score headlines for emotional value, power words, readability, and click potential.
Generate meta titles, descriptions, OG tags, and Twitter cards with live SERP previews.
Build JSON-LD structured data for Articles, FAQs, Products, and more.
Analyze content for keyword density, heading structure, readability, and SEO score.
Score any page on twelve structural signals AI search engines use to decide what to cite. Offline Python script.
Score every passage on your page for AI retrievability. Catches thin copy that disappears when an AI chunks the page.
Grade content with Flesch-Kincaid, Gunning Fog, SMOG, and more.
Build campaign URLs with UTM parameters, presets, and bulk generation.
Statistical significance calculator for A/B tests. Sample size planner and results analyzer.
Build structured content briefs for writers and SEO teams. Define keywords, audience, intent, and outline.
other collections