Discover AI Tools
Explore our curated collection of 155+ AI tools to boost your productivity and creativity
CSS & UI Tools Tools
Showing 57 tools
Animated Gradient Border Generator
The Animated Gradient Border Generator is a free, browser-based utility that helps you craft eye-catching animated borders with gradient effects no JavaScript required. Customize your colors, border thickness, animation speed, and shape to create dynamic UI elements like cards or buttons with glowing, swirling outlines.
Key Features:
- [
- {"title": "Dimension Controls", "icon": "fas fa-arrows-alt", "description": "Set custom width, height, and border radius for the element."},
- {"title": "Gradient Settings", "icon": "fas fa-palette", "description": "Choose gradient colors and stops for animated border."},
Glassmorphism Generator
The Glassmorphism Generator empowers designers and developers to create elegant "frosted glass" effects using live customization. Adjust blur, transparency, saturation, borders, and shadows, preview changes instantly, and export polished CSS code to use in your projects.
Key Features:
- [
- {"title":"Live Preview","description":"See the effect update as you tweak settings."},
- {"title":"Full Customization","description":"Adjust blur, opacity, saturation, border, shadow, and more."},
Dark Mode Previewer
The Dark Mode Previewer, branded on FreeToolsMax as the UI Theme Preview Tool, lets you view UI components like buttons, inputs, cards, and alerts in both light and dark themes. You can switch modes on the fly, apply your own color schemes, and see changes in real-time ideal for ensuring your design looks consistent and accessible across themes.
Key Features:
- [
- {"title":"Light/Dark Mode Toggle","icon":"fas fa-adjust","description":"Switch between light and dark themes instantly."},
- {"title":"Component Preview","icon":"fas fa-desktop","description":"See UI elements like buttons, cards, inputs, and alerts in each mode."},
Animated Background Gradient Tool
The Animated Background Gradient Tool is a free online generator that lets you design and preview animated background gradients using pure CSS — no JavaScript required. Customize gradient types, colors, directions, and animation speeds, and generate responsive, lightweight CSS code for engaging UI backgrounds.
Key Features:
- [
- {"title":"Gradient Types","icon":"fas fa-paint-brush","description":"Supports linear, radial, and conic gradients."},
- {"title":"Custom Color Stops","icon":"fas fa-tint","description":"Add and position multiple colors along the gradient."},
RGBA Color Picker
The RGBA Color Picker is a free online tool that allows users to select colors with transparency interactively. With sliders or input fields for red, green, blue, and alpha values, users can preview the resulting color live and instantly copy the generated color in rgba() CSS format.
Key Features:
- [
- {"title":"RGBA Control Sliders","icon":"fas fa-sliders-h","description":"Set red, green, blue, and alpha values precisely."},
- {"title":"Live Color Preview","icon":"fas fa-eye","description":"See your selected color with transparency in real time."},
Accent Color Tester
The Accent Color Tester is a free online tool that allows designers and developers to test and preview accent colors on various UI elements such as buttons, links, and highlights. This tool helps ensure that your accent color complements backgrounds and text, enhancing both accessibility and aesthetic appeal. By providing a live preview, it aids in selecting the right accent color that aligns with your design goals.
Key Features:
- [
- {"title": "Live UI Component Preview", "icon": "fas fa-eye", "description": "Instantly see how your accent color affects various UI elements."},
- {"title": "Accessibility Considerations", "icon": "fas fa-universal-access", "description": "Evaluate how well your accent color complements backgrounds and text."},
CSS Flexbox Playground
The CSS Flexbox Playground is an interactive, browser-based tool that allows you to experiment with key CSS Flexbox properties visually. Adjust container and item properties, observe real-time layout changes, and export both HTML and CSS code for seamless integration into your projects.
Key Features:
- [
- {"title":"Container Property Controls","icon":"fas fa-object-group","description":"Adjust flex-direction, justify-content, align-items, wrap, gap, and container height."},
- {"title":"Item-Specific Settings","icon":"fas fa-sort","description":"Modify per-item properties like grow, shrink, basis, order, align-self, and dimensions."},
CSS LightDark Mode Toggle Generator
The CSS Light/Dark Mode Toggle Generator helps you create a responsive, customizable theme switcher for light and dark modes. It offers prebuilt toggle styles and theme variables, allowing you to design, preview, and export a fully functional toggle switch with HTML, CSS, and JavaScript—all in one place.
Key Features:
- [
- {"title":"Custom Toggle Styles","icon":"fas fa-toggle-on","description":"Choose between switch, button, checkbox, icon or custom toggle layouts."},
- {"title":"Color Theme Variables","icon":"fas fa-palette","description":"Define light and dark mode colors, including accent and text colors."},
Background Pattern Generator
The Background Pattern Generator is a free online tool that lets you design seamless and customizable background patterns for your web projects. Users can mix shape types, colors, and spacing to create repeating patterns—perfect for elevating the visual texture of websites, cards, banners, and UI components.
Key Features:
- [
- {"title":"Pattern Customization","icon":"fas fa-palette","description":"Choose shapes, colors, spacing, and scale to customize patterns."},
- {"title":"Live Preview","icon":"fas fa-eye","description":"See updates in real-time as you adjust design parameters."},
Column Layout Generator
While the page couldn’t load directly, it's highly likely that this tool functions similarly to the CSS Grid Builder on FreeToolsMax—a visual utility for defining multi-column layouts. You can configure columns, rows, gaps, and layout areas using an intuitive interface, with real-time previews and exportable CSS/HTML code.
Key Features:
- [
- {"title":"Define Columns & Rows","icon":"fas fa-th-large","description":"Set any number of columns or rows using flexible units (fr, px, %, auto)."},
- {"title":"Control Gaps","icon":"fas fa-arrows-alt-h","description":"Set row-gap and column-gap for spacing."},
Tailwind Color Class Generator
The Tailwind Color Class Generator is a browser-based tool designed to help developers and designers easily generate Tailwind CSS color utility classes. By inputting or selecting colors, it produces ready-to-use Tailwind class names—such as bg-blue-500 or text-red-300—streamlining the styling process without manual coding.
Key Features:
- [
- {"title":"Color Input","description":"Enter HEX codes or use a picker to select your desired color."},
- {"title":"Tailwind Class Matching","description":"Find the nearest Tailwind class (e.g., blue, teal, rose shades)."},
CSS Opacity Previewer
The CSS Opacity Previewer is a free, browser-based tool that helps you visualize and generate CSS opacity values for your design elements. It allows fine control over transparency through an intuitive slider and instantly produces the corresponding CSS snippet for seamless integration.
Key Features:
- [
- {"title":"Live Opacity Preview","icon":"fas fa-eye","description":"View how transparency affects your element instantly."},
- {"title":"High-Precision Slider","icon":"fas fa-sliders-h","description":"Control opacity from 0 to 1 with 0.01 accuracy."},