HTML & Frontend Tools

Comprehensive tools for HTML development, meta tags, responsive testing, browser compatibility, and frontend optimization.

HTML Entity Reference

Searchable database of 250+ HTML entities with named, decimal, and hexadecimal codes. Find the right entity for special characters, symbols, and Unicode.

Browse Entities

Meta Tag Generator

Generate comprehensive meta tags for SEO and social media. Includes Open Graph, Twitter Cards, viewport, robots, and all essential HTML metadata.

Generate Meta Tags

Responsive Breakpoint Tester

Test your website at common device breakpoints (320px to 1920px). Preview mobile, tablet, and desktop layouts in one convenient interface.

Test Breakpoints

Browser Support Checker

Check CSS and JavaScript feature support across all major browsers. See which versions support Flexbox, Grid, Fetch API, and more.

Check Support

Favicon Checker

Analyze a website's favicon implementation. Detects .ico, .png, .svg, and apple-touch-icon files to ensure proper display across all devices.

Check Favicon

Web Font Loader Generator

Generate optimized @font-face CSS and preload tags for Google Fonts or custom fonts. Improve performance with font-display and preconnect strategies.

Generate Font Code

Critical CSS Generator

Extract above-the-fold CSS from any URL. Identify inline styles and external stylesheets to optimize initial page rendering performance.

Extract Critical CSS

HTML Minifier

Minify HTML by removing whitespace, comments, and optional tags. Reduce file size and improve page load times for production websites.

Minify HTML