Small, sharp tools for web designers & developers.

HTMLAssets is a growing toolbox of focused utilities for modern UI work: color systems, contrast checking, gradients, and more. No logins, no bloat — just useful assets you can drop straight into your projects.

🎨 Open Color Palette Studio View all tools

Now live: Color Palette Studio · 2025–2026 digital color trends, export-ready for CSS, Tailwind, and design systems.

Featured Tool

Color Palette Studio

Explore curated palettes built around current digital color trends: dark mode + neon, retro-future pastels, nature/wellness tones, and more. Export palettes as CSS variables, Tailwind config snippets, JSON, or PNG cards.

Open Color Palette Studio →

Tools

Focused utilities that make building modern interfaces faster and more fun.

Available

Color Palette Studio

Curated UI color systems inspired by 2025–2026 digital trends. Export CSS variables, Tailwind configs, JSON tokens, and PNG palette cards.

  • 🎨 Trend-driven palettes
  • 🧩 Dev-friendly exports
  • 🌗 Light/dark aware cards
Open Color Palette Studio →
Available

Image Resolution Scaling Tool

Quickly calculate new image dimensions based on a scaling percentage. Perfect for resizing assets for web, thumbnails, and responsive layouts.

  • Enter original width & height
  • Scale up or down by percentage
  • Get exact new pixel dimensions
Open Image Scaling Tool →
Available

Tech Ipsum Generator

Generate playful, tech-flavored lorem ipsum for UI mockups, docs, and presentations. Multiple modes, emoji spice, and copy-ready output.

  • Multiple tech & buzzword styles
  • Paragraph & sentence controls
  • Copy or download as .txt
Open Tech Ipsum Generator →
Available

Color Contrast Checker

Quickly check WCAG contrast ratios, preview text on background pairs, and export accessible token pairs for your design system.

  • AA / AAA contrast checks
  • Token-based color pairs
  • Copy-ready snippets
Open Color Contrast Checker →
Available

Gradient Maker

Build smooth, on-trend gradients for hero sections, cards, and backgrounds with CSS, Tailwind, and image export options.

  • Multi-stop gradients
  • CSS / Tailwind output
  • Preset trend styles
Open Gradient Maker →
Available

HTML / CSS Minifier

Paste in your HTML or CSS and get back a clean, minified version ready for production or embedding.

  • Whitespace stripping
  • Fast, client-side only
  • No data stored
Open HTML / CSS Minifier →
Available

SVG Cleaner

Drop in SVGs to remove cruft, inline styles, and metadata. Perfect for icons, logos, and illustrations headed to the web.

  • Reduce file size
  • Clean & readable markup
  • Ready for CSS theming
Open SVG Cleaner →
Available

Box Shadow Generator

Build modern, layered UI box-shadows with a live preview. Perfect for cards, modals, and polished elevation in any design system.

  • Layered shadows (up to 4)
  • Live preview (light / dark)
  • Copy-ready CSS output
Open Box Shadow Generator →
Available

Sitemap.xml Generator

Paste URLs (or paths) and generate a valid sitemap.xml instantly. Copy or download your XML — everything runs in your browser.

  • One entry per line
  • Optional lastmod/changefreq/priority
  • Copy + download sitemap.xml
Open Sitemap.xml Generator →
Available

Diff Checker

Compare two versions of any text or code side-by-side. Highlights added, removed, and unchanged lines – all in your browser.

  • Line-by-line comparison
  • Side-by-side & unified views
  • Copyable diff output
Open Diff Checker

About HTMLAssets

HTMLAssets is a small, opinionated collection of tools built for people who actually ship things on the web. Each tool is designed to be fast, focused, and practical — something you can bookmark and use in under a minute.

Design principles

  • No logins. Open a tool, get what you need, and go ship.
  • Developer-first. Output formats that drop straight into code.
  • Trends-aware. Color and UI patterns that match modern products.
  • Lightweight. Static, fast-loading tools with no tracking bloat.