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Explore our curated collection of 157+ 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."},
UI Theme Preview Tool
The UI Theme Preview Tool is a free online tool that allows developers and designers to preview and test various UI themes in real-time. It enables users to toggle between light and dark modes, switch color schemes, and apply design tokens to see how UI components like buttons, inputs, cards, and other elements look across different themes. This tool is perfect for frontend developers and UI/UX designers looking to ensure consistent and accessible design across their applications.
Key Features:
- [
- {"title": "Light/Dark Mode Toggle", "icon": "fas fa-moon", "description": "Instantly switch between light and dark themes to test visual consistency and accessibility."},
- {"title": "Custom Color Schemes", "icon": "fas fa-palette", "description": "Apply different color themes to see how components adapt to various branding styles."},
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."},
Brand Color Picker (Famous Sites)
The Brand Color Picker is a free online tool that allows users to identify and extract the primary brand colors of popular websites. By entering a website URL, the tool analyzes the page and provides the dominant color palette used by the brand. This is particularly useful for designers, developers, and marketers who want to ensure brand consistency, create complementary color schemes, or draw inspiration from established brands.
Key Features:
- [
- {"title": "Instant Color Extraction", "icon": "fas fa-palette", "description": "Quickly identify the primary brand colors of any website."},
- {"title": "Multiple Color Formats", "icon": "fas fa-code", "description": "View colors in HEX, RGB, or HSL formats for versatility."},
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 Gradient Generator
The CSS Gradient Generator is a free online tool that allows you to create and customize linear, radial, and conic gradients for your web projects. With real-time previews and adjustable parameters, you can generate CSS code to add vibrant and dynamic backgrounds to your elements. Ideal for web designers and developers looking to enhance the visual appeal of their websites.
Key Features:
- [
- {"title": "Multiple Gradient Types", "icon": "fas fa-paint-brush", "description": "Supports linear, radial, and conic gradients."},
- {"title": "Real-Time Preview", "icon": "fas fa-eye", "description": "Instantly see changes as you adjust gradient settings."},