{"id":262099,"date":"2026-03-03T12:07:47","date_gmt":"2026-03-03T03:07:47","guid":{"rendered":"https:\/\/designcopy.net\/en\/tools\/"},"modified":"2026-03-03T12:35:25","modified_gmt":"2026-03-03T03:35:25","slug":"tools","status":"publish","type":"page","link":"https:\/\/designcopy.net\/en\/tools\/","title":{"rendered":"Free SEO Tools"},"content":{"rendered":"<style>\n\/* ========================================\n   RESET & ROOT VARIABLES\n   ======================================== *\/\n*, *::before, *::after {\n  box-sizing: border-box;\n  margin: 0;\n  padding: 0;\n}<\/p>\n<p>:root {\n  --bg-primary: #f8fafc;\n  --bg-secondary: #ffffff;\n  --bg-tertiary: #f1f5f9;\n  --text-primary: #0f172a;\n  --text-secondary: #475569;\n  --text-muted: #94a3b8;\n  --border-color: #e2e8f0;\n  --border-focus: #3b82f6;\n  --accent: #3b82f6;\n  --accent-hover: #2563eb;\n  --accent-subtle: rgba(59, 130, 246, 0.08);\n  --success: #22c55e;\n  --warning: #f59e0b;\n  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);\n  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);\n  --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);\n  --radius: 12px;\n  --radius-sm: 8px;\n  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);\n}<\/p>\n<p>[data-theme=\"dark\"] {\n  --bg-primary: #0f172a;\n  --bg-secondary: #1e293b;\n  --bg-tertiary: #334155;\n  --text-primary: #f1f5f9;\n  --text-secondary: #94a3b8;\n  --text-muted: #64748b;\n  --border-color: #334155;\n  --accent-subtle: rgba(59, 130, 246, 0.15);\n  --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);\n  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);\n  --shadow-lg: 0 8px 30px rgba(0,0,0,0.4);\n}<\/p>\n<p>\/* ========================================\n   BASE\n   ======================================== *\/\nbody {\n  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;\n  background: var(--bg-primary);\n  color: var(--text-primary);\n  line-height: 1.6;\n  min-height: 100vh;\n  transition: background var(--transition), color var(--transition);\n  -webkit-font-smoothing: antialiased;\n  -moz-osx-font-smoothing: grayscale;\n}<\/p>\n<p>\/* ========================================\n   LAYOUT\n   ======================================== *\/\n.tl-page {\n  max-width: 980px;\n  margin: 0 auto;\n  padding: 36px 24px 80px;\n}<\/p>\n<p>\/* ========================================\n   TOP BAR (theme toggle)\n   ======================================== *\/\n.tl-topbar {\n  display: flex;\n  justify-content: flex-end;\n  margin-bottom: 24px;\n}<\/p>\n<p>.tl-theme-btn {\n  display: inline-flex;\n  align-items: center;\n  justify-content: center;\n  width: 36px;\n  height: 36px;\n  border: 1px solid var(--border-color);\n  border-radius: var(--radius-sm);\n  background: var(--bg-secondary);\n  color: var(--text-secondary);\n  cursor: pointer;\n  transition: all var(--transition);\n}<\/p>\n<p>.tl-theme-btn:hover {\n  border-color: var(--accent);\n  color: var(--accent);\n}<\/p>\n<p>.tl-theme-btn svg {\n  width: 18px;\n  height: 18px;\n}<\/p>\n<p>\/* ========================================\n   HERO\n   ======================================== *\/\n.tl-hero {\n  text-align: center;\n  margin-bottom: 60px;\n}<\/p>\n<p>.tl-hero-badge {\n  display: inline-flex;\n  align-items: center;\n  gap: 6px;\n  background: var(--accent-subtle);\n  color: var(--accent);\n  font-size: 0.75rem;\n  font-weight: 600;\n  letter-spacing: 0.06em;\n  text-transform: uppercase;\n  padding: 5px 14px;\n  border-radius: 99px;\n  margin-bottom: 20px;\n}<\/p>\n<p>.tl-hero-badge svg {\n  width: 12px;\n  height: 12px;\n}<\/p>\n<p>.tl-hero h1 {\n  font-size: 2.6rem;\n  font-weight: 800;\n  letter-spacing: -0.03em;\n  margin-bottom: 16px;\n  color: var(--text-primary);\n  line-height: 1.1;\n}<\/p>\n<p>.tl-hero p {\n  font-size: 1.1rem;\n  color: var(--text-secondary);\n  max-width: 520px;\n  margin: 0 auto 36px;\n  line-height: 1.7;\n}<\/p>\n<p>.tl-stats {\n  display: flex;\n  justify-content: center;\n  gap: 40px;\n  flex-wrap: wrap;\n}<\/p>\n<p>.tl-stat {\n  text-align: center;\n}<\/p>\n<p>.tl-stat-num {\n  display: block;\n  font-size: 1.5rem;\n  font-weight: 800;\n  color: var(--accent);\n  line-height: 1;\n}<\/p>\n<p>.tl-stat-label {\n  display: block;\n  font-size: 0.75rem;\n  color: var(--text-muted);\n  font-weight: 500;\n  margin-top: 4px;\n}<\/p>\n<p>\/* ========================================\n   SECTION HEADER\n   ======================================== *\/\n.tl-section {\n  margin-bottom: 48px;\n}<\/p>\n<p>.tl-section-hdr {\n  display: flex;\n  align-items: center;\n  justify-content: space-between;\n  margin-bottom: 20px;\n  padding-bottom: 12px;\n  border-bottom: 1px solid var(--border-color);\n}<\/p>\n<p>.tl-section-title {\n  font-size: 1rem;\n  font-weight: 700;\n  color: var(--text-primary);\n  letter-spacing: -0.01em;\n}<\/p>\n<p>.tl-section-count {\n  font-size: 0.78rem;\n  color: var(--text-muted);\n  background: var(--bg-tertiary);\n  padding: 3px 10px;\n  border-radius: 99px;\n  font-weight: 500;\n}<\/p>\n<p>\/* ========================================\n   TOOL GRID\n   ======================================== *\/\n.tl-grid {\n  display: grid;\n  grid-template-columns: repeat(3, 1fr);\n  gap: 16px;\n}<\/p>\n<p>@media (max-width: 720px) {\n  .tl-grid { grid-template-columns: repeat(2, 1fr); }\n  .tl-hero h1 { font-size: 1.9rem; }\n  .tl-hero p { font-size: 0.975rem; }\n  .tl-stats { gap: 24px; }\n}<\/p>\n<p>@media (max-width: 440px) {\n  .tl-grid { grid-template-columns: 1fr; }\n  .tl-hero h1 { font-size: 1.6rem; }\n}<\/p>\n<p>\/* ========================================\n   TOOL CARD\n   ======================================== *\/\n.tl-card {\n  background: var(--bg-secondary);\n  border: 1px solid var(--border-color);\n  border-radius: var(--radius);\n  padding: 20px;\n  text-decoration: none;\n  color: inherit;\n  display: flex;\n  flex-direction: column;\n  gap: 12px;\n  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);\n  box-shadow: var(--shadow-sm);\n  position: relative;\n}<\/p>\n<p>.tl-card:hover {\n  box-shadow: var(--shadow-md);\n  transform: translateY(-2px);\n  border-color: var(--accent);\n}<\/p>\n<p>.tl-card-icon {\n  width: 40px;\n  height: 40px;\n  border-radius: var(--radius-sm);\n  background: var(--accent-subtle);\n  display: flex;\n  align-items: center;\n  justify-content: center;\n  color: var(--accent);\n  flex-shrink: 0;\n}<\/p>\n<p>.tl-card-icon svg {\n  width: 20px;\n  height: 20px;\n}<\/p>\n<p>.tl-card-body {\n  flex: 1;\n}<\/p>\n<p>.tl-card-name {\n  font-size: 0.9375rem;\n  font-weight: 700;\n  color: var(--text-primary);\n  margin-bottom: 6px;\n  letter-spacing: -0.01em;\n  line-height: 1.3;\n}<\/p>\n<p>.tl-card-desc {\n  font-size: 0.8125rem;\n  color: var(--text-secondary);\n  line-height: 1.55;\n}<\/p>\n<p>.tl-card-cta {\n  font-size: 0.8rem;\n  color: var(--accent);\n  font-weight: 600;\n  display: flex;\n  align-items: center;\n  gap: 4px;\n  transition: gap var(--transition);\n}<\/p>\n<p>.tl-card:hover .tl-card-cta {\n  gap: 8px;\n}<\/p>\n<p>.tl-card-cta svg {\n  width: 14px;\n  height: 14px;\n}<\/p>\n<p>\/* ========================================\n   EDUCATIONAL CONTENT\n   ======================================== *\/\n.tl-edu {\n  background: var(--bg-secondary);\n  border: 1px solid var(--border-color);\n  border-radius: var(--radius);\n  padding: 40px 40px 36px;\n  margin-top: 16px;\n}<\/p>\n<p>@media (max-width: 640px) {\n  .tl-edu { padding: 28px 20px 24px; }\n}<\/p>\n<p>.tl-edu h2 {\n  font-size: 1.5rem;\n  font-weight: 700;\n  letter-spacing: -0.02em;\n  margin-bottom: 14px;\n  color: var(--text-primary);\n}<\/p>\n<p>.tl-edu h3 {\n  font-size: 1.05rem;\n  font-weight: 700;\n  margin: 28px 0 10px;\n  color: var(--text-primary);\n  letter-spacing: -0.01em;\n}<\/p>\n<p>.tl-edu p {\n  font-size: 0.9375rem;\n  color: var(--text-secondary);\n  line-height: 1.75;\n  margin-bottom: 14px;\n}<\/p>\n<p>.tl-edu p:last-child { margin-bottom: 0; }<\/p>\n<p>.tl-edu ul {\n  padding-left: 20px;\n  margin: 10px 0 16px;\n  color: var(--text-secondary);\n  font-size: 0.9375rem;\n  line-height: 1.75;\n}<\/p>\n<p>.tl-edu ul li { margin-bottom: 6px; }<\/p>\n<p>.tl-edu a {\n  color: var(--accent);\n  text-decoration: none;\n}<\/p>\n<p>.tl-edu a:hover { text-decoration: underline; }<\/p>\n<p>\/* ========================================\n   FOOTER\n   ======================================== *\/\n.tl-footer {\n  text-align: center;\n  margin-top: 56px;\n  padding-top: 28px;\n  border-top: 1px solid var(--border-color);\n  font-size: 0.875rem;\n  color: var(--text-muted);\n}<\/p>\n<p>.tl-footer a {\n  color: var(--accent);\n  text-decoration: none;\n  font-weight: 500;\n}<\/p>\n<p>.tl-footer a:hover { text-decoration: underline; }\n<\/style>\n<div class=\"tl-page\" id=\"tlRoot\">\n<p>  <!-- Top Bar --><\/p>\n<div class=\"tl-topbar\">\n    <button class=\"tl-theme-btn\" id=\"themeToggle\" title=\"Toggle dark mode\" aria-label=\"Toggle dark mode\"><br \/>\n      <svg class=\"icon-sun\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"display:none\"><circle cx=\"12\" cy=\"12\" r=\"5\"\/><line x1=\"12\" y1=\"1\" x2=\"12\" y2=\"3\"\/><line x1=\"12\" y1=\"21\" x2=\"12\" y2=\"23\"\/><line x1=\"4.22\" y1=\"4.22\" x2=\"5.64\" y2=\"5.64\"\/><line x1=\"18.36\" y1=\"18.36\" x2=\"19.78\" y2=\"19.78\"\/><line x1=\"1\" y1=\"12\" x2=\"3\" y2=\"12\"\/><line x1=\"21\" y1=\"12\" x2=\"23\" y2=\"12\"\/><line x1=\"4.22\" y1=\"19.78\" x2=\"5.64\" y2=\"18.36\"\/><line x1=\"18.36\" y1=\"5.64\" x2=\"19.78\" y2=\"4.22\"\/><\/svg><br \/>\n      <svg class=\"icon-moon\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z\"\/><\/svg><br \/>\n    <\/button>\n  <\/div>\n<p>  <!-- Hero --><\/p>\n<div class=\"tl-hero\">\n<div class=\"tl-hero-badge\">\n      <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"22 12 18 12 15 21 9 3 6 12 2 12\"\/><\/svg><br \/>\n      Free SEO Tools\n    <\/div>\n<h1>13 Free SEO Tools<\/h1>\n<p>Analyze, optimize, and grow your organic search traffic \u2014 no signup, no credit card, no limits.<\/p>\n<div class=\"tl-stats\">\n<div class=\"tl-stat\">\n        <span class=\"tl-stat-num\">13<\/span><br \/>\n        <span class=\"tl-stat-label\">Free Tools<\/span>\n      <\/div>\n<div class=\"tl-stat\">\n        <span class=\"tl-stat-num\">100%<\/span><br \/>\n        <span class=\"tl-stat-label\">Free Forever<\/span>\n      <\/div>\n<div class=\"tl-stat\">\n        <span class=\"tl-stat-num\">0<\/span><br \/>\n        <span class=\"tl-stat-label\">Signup Required<\/span>\n      <\/div>\n<div class=\"tl-stat\">\n        <span class=\"tl-stat-num\">In-Browser<\/span><br \/>\n        <span class=\"tl-stat-label\">No Data Sent<\/span>\n      <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<p>  <!-- Section: On-Page & Content SEO --><\/p>\n<div class=\"tl-section\">\n<div class=\"tl-section-hdr\">\n      <span class=\"tl-section-title\">On-Page &amp; Content SEO<\/span><br \/>\n      <span class=\"tl-section-count\">7 tools<\/span>\n    <\/div>\n<div class=\"tl-grid\">\n<p>      <a href=\"https:\/\/designcopy.net\/en\/tools\/serp-preview-simulator\/\" class=\"tl-card wpel-icon-right\" data-wpel-link=\"internal\" rel=\"follow noopener noreferrer\"><\/p>\n<div class=\"tl-card-icon\">\n          <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><rect x=\"2\" y=\"3\" width=\"20\" height=\"14\" rx=\"2\"\/><line x1=\"8\" y1=\"21\" x2=\"16\" y2=\"21\"\/><line x1=\"12\" y1=\"17\" x2=\"12\" y2=\"21\"\/><\/svg>\n        <\/div>\n<div class=\"tl-card-body\">\n<div class=\"tl-card-name\">SERP Preview Simulator<\/div>\n<div class=\"tl-card-desc\">See how your page appears in Google search results. Preview titles, URLs, and meta descriptions before publishing.<\/div>\n<\/p><\/div>\n<div class=\"tl-card-cta\">Use Tool <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"9 18 15 12 9 6\"\/><\/svg><\/div>\n<p>      <i class=\"wpel-icon dashicons-before dashicons-admin-page\" aria-hidden=\"true\"><\/i><\/a><\/p>\n<p>      <a href=\"https:\/\/designcopy.net\/en\/tools\/schema-markup-generator\/\" class=\"tl-card wpel-icon-right\" data-wpel-link=\"internal\" rel=\"follow noopener noreferrer\"><\/p>\n<div class=\"tl-card-icon\">\n          <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"16 18 22 12 16 6\"\/><polyline points=\"8 6 2 12 8 18\"\/><\/svg>\n        <\/div>\n<div class=\"tl-card-body\">\n<div class=\"tl-card-name\">Schema Markup Generator<\/div>\n<div class=\"tl-card-desc\">Generate valid JSON-LD structured data for any page type. Article, Product, FAQ, LocalBusiness, and 10+ more schema types.<\/div>\n<\/p><\/div>\n<div class=\"tl-card-cta\">Use Tool <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"9 18 15 12 9 6\"\/><\/svg><\/div>\n<p>      <i class=\"wpel-icon dashicons-before dashicons-admin-page\" aria-hidden=\"true\"><\/i><\/a><\/p>\n<p>      <a href=\"https:\/\/designcopy.net\/en\/tools\/content-readability-scorer\/\" class=\"tl-card wpel-icon-right\" data-wpel-link=\"internal\" rel=\"follow noopener noreferrer\"><\/p>\n<div class=\"tl-card-icon\">\n          <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><line x1=\"17\" y1=\"10\" x2=\"3\" y2=\"10\"\/><line x1=\"21\" y1=\"6\" x2=\"3\" y2=\"6\"\/><line x1=\"21\" y1=\"14\" x2=\"3\" y2=\"14\"\/><line x1=\"17\" y1=\"18\" x2=\"3\" y2=\"18\"\/><\/svg>\n        <\/div>\n<div class=\"tl-card-body\">\n<div class=\"tl-card-name\">Content Readability Scorer<\/div>\n<div class=\"tl-card-desc\">Score your content&#8217;s readability using Flesch-Kincaid and other metrics. Optimize for your target audience&#8217;s reading level.<\/div>\n<\/p><\/div>\n<div class=\"tl-card-cta\">Use Tool <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"9 18 15 12 9 6\"\/><\/svg><\/div>\n<p>      <i class=\"wpel-icon dashicons-before dashicons-admin-page\" aria-hidden=\"true\"><\/i><\/a><\/p>\n<p>      <a href=\"https:\/\/designcopy.net\/en\/tools\/keyword-intent-classifier\/\" class=\"tl-card wpel-icon-right\" data-wpel-link=\"internal\" rel=\"follow noopener noreferrer\"><\/p>\n<div class=\"tl-card-icon\">\n          <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"11\" cy=\"11\" r=\"8\"\/><line x1=\"21\" y1=\"21\" x2=\"16.65\" y2=\"16.65\"\/><line x1=\"11\" y1=\"8\" x2=\"11\" y2=\"14\"\/><line x1=\"8\" y1=\"11\" x2=\"14\" y2=\"11\"\/><\/svg>\n        <\/div>\n<div class=\"tl-card-body\">\n<div class=\"tl-card-name\">Keyword Intent Classifier<\/div>\n<div class=\"tl-card-desc\">Classify keywords by search intent: informational, navigational, commercial, or transactional. Build content that matches user needs.<\/div>\n<\/p><\/div>\n<div class=\"tl-card-cta\">Use Tool <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"9 18 15 12 9 6\"\/><\/svg><\/div>\n<p>      <i class=\"wpel-icon dashicons-before dashicons-admin-page\" aria-hidden=\"true\"><\/i><\/a><\/p>\n<p>      <a href=\"https:\/\/designcopy.net\/en\/tools\/seo-roi-calculator\/\" class=\"tl-card wpel-icon-right\" data-wpel-link=\"internal\" rel=\"follow noopener noreferrer\"><\/p>\n<div class=\"tl-card-icon\">\n          <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><line x1=\"12\" y1=\"1\" x2=\"12\" y2=\"23\"\/><path d=\"M17 5H9.5a3.5 3.5 0 0 0 0 7h5a3.5 3.5 0 0 1 0 7H6\"\/><\/svg>\n        <\/div>\n<div class=\"tl-card-body\">\n<div class=\"tl-card-name\">SEO ROI Calculator<\/div>\n<div class=\"tl-card-desc\">Calculate the return on investment of your SEO campaigns. Forecast traffic, conversions, and revenue growth from organic search.<\/div>\n<\/p><\/div>\n<div class=\"tl-card-cta\">Use Tool <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"9 18 15 12 9 6\"\/><\/svg><\/div>\n<p>      <i class=\"wpel-icon dashicons-before dashicons-admin-page\" aria-hidden=\"true\"><\/i><\/a><\/p>\n<p>      <a href=\"https:\/\/designcopy.net\/en\/meta-tag-analyzer\/\" class=\"tl-card wpel-icon-right\" data-wpel-link=\"internal\" rel=\"follow noopener noreferrer\"><\/p>\n<div class=\"tl-card-icon\">\n          <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z\"\/><polyline points=\"22,6 12,13 2,6\"\/><\/svg>\n        <\/div>\n<div class=\"tl-card-body\">\n<div class=\"tl-card-name\">Meta Tag Analyzer<\/div>\n<div class=\"tl-card-desc\">Audit every SEO meta tag on any page. Paste your HTML source to grade title, description, Open Graph, Twitter Cards, canonical, and schema tags.<\/div>\n<\/p><\/div>\n<div class=\"tl-card-cta\">Use Tool <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"9 18 15 12 9 6\"\/><\/svg><\/div>\n<p>      <i class=\"wpel-icon dashicons-before dashicons-admin-page\" aria-hidden=\"true\"><\/i><\/a><\/p>\n<p>      <a href=\"https:\/\/designcopy.net\/en\/keyword-density-checker\/\" class=\"tl-card wpel-icon-right\" data-wpel-link=\"internal\" rel=\"follow noopener noreferrer\"><\/p>\n<div class=\"tl-card-icon\">\n          <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><line x1=\"18\" y1=\"20\" x2=\"18\" y2=\"10\"\/><line x1=\"12\" y1=\"20\" x2=\"12\" y2=\"4\"\/><line x1=\"6\" y1=\"20\" x2=\"6\" y2=\"14\"\/><\/svg>\n        <\/div>\n<div class=\"tl-card-body\">\n<div class=\"tl-card-name\">Keyword Density Checker<\/div>\n<div class=\"tl-card-desc\">Analyze keyword frequency and density in any content. Check 1-word, 2-word, and 3-word phrases and detect over-optimization above 3%.<\/div>\n<\/p><\/div>\n<div class=\"tl-card-cta\">Use Tool <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"9 18 15 12 9 6\"\/><\/svg><\/div>\n<p>      <i class=\"wpel-icon dashicons-before dashicons-admin-page\" aria-hidden=\"true\"><\/i><\/a><\/p><\/div>\n<\/p><\/div>\n<p>  <!-- Section: Technical SEO --><\/p>\n<div class=\"tl-section\">\n<div class=\"tl-section-hdr\">\n      <span class=\"tl-section-title\">Technical SEO<\/span><br \/>\n      <span class=\"tl-section-count\">4 tools<\/span>\n    <\/div>\n<div class=\"tl-grid\">\n<p>      <a href=\"https:\/\/designcopy.net\/en\/tools\/hreflang-tag-generator\/\" class=\"tl-card wpel-icon-right\" data-wpel-link=\"internal\" rel=\"follow noopener noreferrer\"><\/p>\n<div class=\"tl-card-icon\">\n          <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><line x1=\"2\" y1=\"12\" x2=\"22\" y2=\"12\"\/><path d=\"M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z\"\/><\/svg>\n        <\/div>\n<div class=\"tl-card-body\">\n<div class=\"tl-card-name\">Hreflang Tag Generator<\/div>\n<div class=\"tl-card-desc\">Create hreflang tags for multilingual and multi-regional websites. Tell Google which language version to serve in each country.<\/div>\n<\/p><\/div>\n<div class=\"tl-card-cta\">Use Tool <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"9 18 15 12 9 6\"\/><\/svg><\/div>\n<p>      <i class=\"wpel-icon dashicons-before dashicons-admin-page\" aria-hidden=\"true\"><\/i><\/a><\/p>\n<p>      <a href=\"https:\/\/designcopy.net\/en\/tools\/open-graph-preview\/\" class=\"tl-card wpel-icon-right\" data-wpel-link=\"internal\" rel=\"follow noopener noreferrer\"><\/p>\n<div class=\"tl-card-icon\">\n          <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M4 12v8a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-8\"\/><polyline points=\"16 6 12 2 8 6\"\/><line x1=\"12\" y1=\"2\" x2=\"12\" y2=\"15\"\/><\/svg>\n        <\/div>\n<div class=\"tl-card-body\">\n<div class=\"tl-card-name\">Open Graph Preview<\/div>\n<div class=\"tl-card-desc\">Preview how your pages look when shared on Facebook, LinkedIn, and Twitter. Catch broken OG tags before your content goes live.<\/div>\n<\/p><\/div>\n<div class=\"tl-card-cta\">Use Tool <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"9 18 15 12 9 6\"\/><\/svg><\/div>\n<p>      <i class=\"wpel-icon dashicons-before dashicons-admin-page\" aria-hidden=\"true\"><\/i><\/a><\/p>\n<p>      <a href=\"https:\/\/designcopy.net\/en\/tools\/robots-txt-ai-bot-manager\/\" class=\"tl-card wpel-icon-right\" data-wpel-link=\"internal\" rel=\"follow noopener noreferrer\"><\/p>\n<div class=\"tl-card-icon\">\n          <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><rect x=\"3\" y=\"11\" width=\"18\" height=\"11\" rx=\"2\" ry=\"2\"\/><path d=\"M7 11V7a5 5 0 0 1 10 0v4\"\/><\/svg>\n        <\/div>\n<div class=\"tl-card-body\">\n<div class=\"tl-card-name\">Robots.txt AI Bot Manager<\/div>\n<div class=\"tl-card-desc\">Control which AI crawlers and search bots can access your site. Block GPTBot, ClaudeBot, and other AI scrapers with a clean robots.txt.<\/div>\n<\/p><\/div>\n<div class=\"tl-card-cta\">Use Tool <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"9 18 15 12 9 6\"\/><\/svg><\/div>\n<p>      <i class=\"wpel-icon dashicons-before dashicons-admin-page\" aria-hidden=\"true\"><\/i><\/a><\/p>\n<p>      <a href=\"https:\/\/designcopy.net\/en\/xml-sitemap-generator\/\" class=\"tl-card wpel-icon-right\" data-wpel-link=\"internal\" rel=\"follow noopener noreferrer\"><\/p>\n<div class=\"tl-card-icon\">\n          <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"22 12 18 12 15 21 9 3 6 12 2 12\"\/><\/svg>\n        <\/div>\n<div class=\"tl-card-body\">\n<div class=\"tl-card-name\">XML Sitemap Generator<\/div>\n<div class=\"tl-card-desc\">Generate a valid XML sitemap for any website. Enter URLs, set lastmod, changefreq, and priority, then download your sitemap.xml instantly.<\/div>\n<\/p><\/div>\n<div class=\"tl-card-cta\">Use Tool <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"9 18 15 12 9 6\"\/><\/svg><\/div>\n<p>      <i class=\"wpel-icon dashicons-before dashicons-admin-page\" aria-hidden=\"true\"><\/i><\/a><\/p><\/div>\n<\/p><\/div>\n<p>  <!-- Section: YouTube SEO --><\/p>\n<div class=\"tl-section\">\n<div class=\"tl-section-hdr\">\n      <span class=\"tl-section-title\">YouTube SEO<\/span><br \/>\n      <span class=\"tl-section-count\">2 tools<\/span>\n    <\/div>\n<div class=\"tl-grid\">\n<p>      <a href=\"https:\/\/designcopy.net\/en\/tools\/youtube-engagement-calculator\/\" class=\"tl-card wpel-icon-right\" data-wpel-link=\"internal\" rel=\"follow noopener noreferrer\"><\/p>\n<div class=\"tl-card-icon\">\n          <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polygon points=\"23 7 16 12 23 17 23 7\"\/><rect x=\"1\" y=\"5\" width=\"15\" height=\"14\" rx=\"2\" ry=\"2\"\/><\/svg>\n        <\/div>\n<div class=\"tl-card-body\">\n<div class=\"tl-card-name\">YouTube Engagement Calculator<\/div>\n<div class=\"tl-card-desc\">Calculate YouTube video and channel engagement rates. Benchmark your like rate, comment rate, and overall engagement against industry averages.<\/div>\n<\/p><\/div>\n<div class=\"tl-card-cta\">Use Tool <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"9 18 15 12 9 6\"\/><\/svg><\/div>\n<p>      <i class=\"wpel-icon dashicons-before dashicons-admin-page\" aria-hidden=\"true\"><\/i><\/a><\/p>\n<p>      <a href=\"https:\/\/designcopy.net\/en\/tools\/youtube-tag-extractor\/\" class=\"tl-card wpel-icon-right\" data-wpel-link=\"internal\" rel=\"follow noopener noreferrer\"><\/p>\n<div class=\"tl-card-icon\">\n          <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M20.59 13.41l-7.17 7.17a2 2 0 0 1-2.83 0L2 12V2h10l8.59 8.59a2 2 0 0 1 0 2.82z\"\/><line x1=\"7\" y1=\"7\" x2=\"7.01\" y2=\"7\"\/><\/svg>\n        <\/div>\n<div class=\"tl-card-body\">\n<div class=\"tl-card-name\">YouTube Tag Extractor<\/div>\n<div class=\"tl-card-desc\">Extract and generate optimized YouTube tags for any video topic. Boost video discoverability with the right keyword metadata.<\/div>\n<\/p><\/div>\n<div class=\"tl-card-cta\">Use Tool <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"9 18 15 12 9 6\"\/><\/svg><\/div>\n<p>      <i class=\"wpel-icon dashicons-before dashicons-admin-page\" aria-hidden=\"true\"><\/i><\/a><\/p><\/div>\n<\/p><\/div>\n<p>  <!-- Educational Content --><\/p>\n<div class=\"tl-edu\">\n<h2>Why Free SEO Tools Matter<\/h2>\n<p>Search engine optimization is one of the highest-ROI marketing channels for any website \u2014 but effective SEO requires data. Gathering that data manually is time-consuming and error-prone. Free SEO tools give you instant access to the insights you need to make smarter decisions about your content, technical setup, and keyword strategy, without paying hundreds of dollars per month for enterprise software.<\/p>\n<p>The tools on this page cover the complete SEO workflow: from researching and classifying keywords by intent, to previewing how your pages appear in search results, to generating the structured data that helps Google understand your content.<\/p>\n<h3>On-Page SEO: What You Can Control<\/h3>\n<p>On-page SEO covers everything you control directly on your website. The <strong>SERP Preview Simulator<\/strong> shows you exactly how your page title and meta description look in Google search results before you publish \u2014 helping you write titles that earn clicks. The <strong>Content Readability Scorer<\/strong> measures whether your articles match the reading level of your target audience, which matters for both user experience and search engine comprehension.<\/p>\n<p>The <strong>Keyword Intent Classifier<\/strong> is essential for content strategy. Understanding whether a keyword is informational (&#8220;how to do X&#8221;), commercial (&#8220;best X tools&#8221;), or transactional (&#8220;buy X&#8221;) determines what type of content will rank for it. Publishing a product comparison when Google wants a how-to guide is one of the most common reasons good content fails to rank.<\/p>\n<h3>Schema Markup: The Underused SEO Advantage<\/h3>\n<p>Structured data is among the most underutilized SEO opportunities available today. By adding JSON-LD schema markup to your pages, you help Google display rich results \u2014 FAQ dropdowns, star ratings, pricing information, and breadcrumb trails \u2014 directly in search results, before users even click. Our <strong>Schema Markup Generator<\/strong> supports all major schema types including Article, Product, FAQ, LocalBusiness, Organization, Event, Recipe, and more, with copy-paste JSON-LD output you can drop into any page.<\/p>\n<h3>Technical SEO: The Foundation<\/h3>\n<p>Technical SEO ensures search engines can find, crawl, and index your content. The <strong>Hreflang Tag Generator<\/strong> is essential for multilingual websites \u2014 it creates the link tags that tell Google which language version of a page to serve in each country, preventing duplicate content penalties across international versions. The <strong>Open Graph Preview<\/strong> catches broken social sharing cards before they damage your content&#8217;s reach on Facebook and LinkedIn. And the <strong>Robots.txt AI Bot Manager<\/strong> gives you fine-grained control over which AI scrapers (GPTBot, ClaudeBot, Anthropic-AI, PerplexityBot, and more) can access your content \u2014 increasingly important as AI companies train models on web data.<\/p>\n<h3>YouTube SEO: The Second-Largest Search Engine<\/h3>\n<p>YouTube is the world&#8217;s second-largest search engine, serving over 3 billion searches per month. Optimizing your videos for YouTube search follows many of the same principles as Google SEO \u2014 titles, descriptions, tags, and engagement signals all affect where your videos rank. Our <strong>YouTube Tag Extractor<\/strong> generates a comprehensive set of relevant tags for any video topic. The <strong>YouTube Engagement Calculator<\/strong> benchmarks your channel&#8217;s like rate, comment rate, and share rate against industry averages \u2014 the first step in understanding why some videos outperform others.<\/p>\n<h3>What Makes a Good Free SEO Tool?<\/h3>\n<p>The best SEO tools are fast, accurate, and immediately actionable. They give you specific outputs you can implement right away \u2014 not reports full of vague scores and recommendations to &#8220;improve your SEO.&#8221; Every tool on this page is:<\/p>\n<ul>\n<li><strong>Completely free<\/strong> \u2014 no hidden usage limits, no credit card required<\/li>\n<li><strong>No login required<\/strong> \u2014 open any tool and start using it immediately<\/li>\n<li><strong>Privacy-friendly<\/strong> \u2014 all processing happens in your browser; no data is sent to external servers<\/li>\n<li><strong>Mobile-friendly<\/strong> \u2014 all tools are fully responsive on desktop, tablet, and mobile<\/li>\n<li><strong>No watermarks or branding locks<\/strong> \u2014 generated output (schema, hreflang tags, etc.) is yours to use freely<\/li>\n<\/ul>\n<p>More tools are added regularly. If there&#8217;s a specific SEO tool you&#8217;d like to see added, <a rel=\"noopener noreferrer external\" target=\"_blank\" href=\"https:\/\/designcopy.net\/contact\/\" data-wpel-link=\"external\">let us know<\/a>.<\/p>\n<\/p><\/div>\n<p>  <!-- Footer --><\/p>\n<div class=\"tl-footer\">\n<p>Built by <a rel=\"noopener noreferrer external\" target=\"_blank\" href=\"https:\/\/designcopy.net\" data-wpel-link=\"external\">DesignCopy.net<\/a> \u2014 Free SEO tools, guides, and resources for digital marketers and content creators.<\/p>\n<\/p><\/div>\n<\/div>\n<p><script>\n(function () {\n  var btn = document.getElementById('themeToggle');\n  var saved = localStorage.getItem('dcTheme');\n  var dark = saved ? (saved === 'dark') : window.matchMedia('(prefers-color-scheme: dark)').matches;<\/p>\n<p>  function applyTheme() {\n    document.documentElement.setAttribute('data-theme', dark ? 'dark' : 'light');\n    btn.querySelector('.icon-sun').style.display = dark ? 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Preview [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-262099","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/designcopy.net\/en\/wp-json\/wp\/v2\/pages\/262099","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/designcopy.net\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/designcopy.net\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/designcopy.net\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/designcopy.net\/en\/wp-json\/wp\/v2\/comments?post=262099"}],"version-history":[{"count":1,"href":"https:\/\/designcopy.net\/en\/wp-json\/wp\/v2\/pages\/262099\/revisions"}],"predecessor-version":[{"id":262129,"href":"https:\/\/designcopy.net\/en\/wp-json\/wp\/v2\/pages\/262099\/revisions\/262129"}],"wp:attachment":[{"href":"https:\/\/designcopy.net\/en\/wp-json\/wp\/v2\/media?parent=262099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}