Here is a constantly updated list of the 10 best JavaScript and CSS based Accordion components/widgets for FAQ systems and content toggle components. I hope you like it and don’t forget to spread the world.
Originally Published Nov 20 2017, updated Jan 16 2026
1. Responsive Expanding Accordion Gallery With Pure CSS

This is a CSS-only expanding accordion gallery that helps create a responsive, horizontal accordion layout that reveals full-size images with a simple hover.
It’s perfect for showcasing product photos, portfolios, or travel memories – anything where you want to reveal more detail upon user interaction. Plus, the responsive design ensures the accordion gallery looks perfect on all devices from desktops to mobiles.
2. Nested Accordion Menu With Vanilla JS

An animated multi-level accordion menu built with nested nav list and vanilla JavaScript.
3. Flexbox Based Vertical Accordion With Pure CSS

A smooth, responsive, vertical accordion UI that expands the current accordion panel on mouse hover, built using pure CSS and flexbox model.
4. Simple Plain Accordion Interface

A pure JavaScript/CSS solution to help you create a vertical, configurable, smooth sliding accordion interface from plain html structure.
5. Responsive Tabs & Accordion Component In Vanilla JavaScript

A responsive tabs & accordion JavaScript plugin that works perfectly on desktop, tablet, and mobile.
6. Responsive CSS Only Accordion & Tabs Component

Yet another pure CSS tabs that will be automatically converted into a vertical accordion interface on mobile devices. Based on CSS flexbox and radio/label hacks.
7. HTML & CSS Only FAQ Accordion

A simple and smooth FAQ accordion component created using CSS and HTML <details> <summary> elements.
8. Modern Accordion Library for Vue, React & Vanilla JS – Prismium.js

A simple yet powerful accordion system that creates beautiful, responsive, customizable accordions with support for Vue, React, and Vanilla JavaScript.
This library can help you build modern, collapsible content sections with a high degree of control over styling and animation. Ideal for FAQ sections, product filters, or multi-step forms.
Features:
- Eight Animation Effects: Line-by-line, fade-scale, slide, stagger, wave, flip, zoom, and cascade animations.
- Pre-built Themes: Nine built-in themes, including light, dark, forest, ocean, and sunset variations.
- Nested Accordion Support: Full support for multi-level accordion structures.
- Accessibility: ARIA compliance, RTL support, and visual impairment considerations.
- Modular Architecture: Import only the features you need to minimize bundle size.
- Useful API: Extensive event system and programmatic control methods.
- CSS Variable Theming: Easy customization through CSS custom properties.
9. Smooth Responsive Accordion UI

A responsive, nice-looking accordion UI with smooth transitions. Built with HTML, CSS (SCSS), and a little bit of JavaScript.
10. Stylish Accordion UI Using Details And Summary Elements

This is a stylish, responsive, customizable accordion UI built using JavaScript, CSS, and HTML details & summary elements.
It’s perfect for creating accordion menus and FAQ sections. Users can easily navigate through the accordion by clicking on the headers to expand or collapse the corresponding sections.
More Resources:
To find more JavaScript and/or CSS libraries to create accordion interfaces on the web app, don’t forget to check out our other awesome resources: