# Markup

Markup Developer Tools

Free browser-based markup developer tools. 18 tools — no installs, no sign-ups, open and use instantly.

18 tools available
💻
HTML Accessibility Quick Audit
Check HTML for common accessibility issues
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HTML Class Extractor
Extract classes and IDs from HTML
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HTML Link Extractor
Extract all links from HTML
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HTML Heading Builder
Generate semantic heading structures
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HTML List Builder
Generate ordered and unordered lists
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HTML Embed Code Builder
Generate safe embed snippets
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💻
Hero Section Generator
Generate hero section HTML
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Accordion Generator
Create accessible accordion markup
💻
Tabs Generator
Generate accessible tabs markup
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Modal Generator
Create accessible modal HTML
💻
Card Grid Generator
Generate responsive card layouts
💻
Timeline Generator
Generate timeline section markup
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💻
FAQ Block Generator
Create FAQ section HTML
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Testimonial Section Generator
Generate testimonial layouts
💻
Skeleton Loader Generator
Generate loading skeleton markup
🔍
Hreflang Tag Generator
Generate hreflang link tags
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🔍
Canonical Tag Generator
Generate canonical URL tags
🔍
Internal Link Opportunity Mapper
Suggest internal linking opportunities