Splide is an open-source JavaScript library used to create responsive sliders and carousels for web interfaces. It is written in TypeScript and designed to be lightweight, dependency-free, and highly accessible while maintaining strong performance across modern browsers.

The library allows developers to build a wide range of slider experiences such as image galleries, product carousels, content sliders, and interactive UI sections. It works by structuring content into a specific HTML layout and then initializing a Splide instance in JavaScript, which handles slide movement, transitions, and interaction logic.

Splide is highly configurable, offering options for autoplay, drag interaction, loop mode, pagination, breakpoints, vertical or horizontal layouts, lazy loading, and more. It also supports advanced features like nested sliders, synchronized sliders, and extensions such as auto-scroll or grid layouts. Its architecture is modular, allowing developers to extend functionality without modifying core behavior.

It is commonly used in modern frontend development because of its simplicity, performance optimization, and compatibility with frameworks such as React, Vue, and Svelte through official integration packages. Splide is particularly popular for projects that require smooth touch/swipe support and lightweight implementation compared to heavier carousel libraries.

Key features include:

• Lightweight, dependency-free TypeScript-based architecture
• Responsive slider and carousel support with breakpoints
• Touch, mouse drag, and swipe interaction support
• Autoplay, loop, and transition customization options
• Extensions and integrations for frameworks like React, Vue, and Svelte

Common use cases include:

• Building image galleries
• Product carousels for e-commerce sites
• Hero sliders for landing pages
• Content showcases
• Testimonial sliders
• Mobile-friendly swipe interfaces

Splide is developed by Naotoshi Fujita and maintained as an open-source project under the MIT license.