Multilevel Navigation Menu Script – Build Responsive, Mobile-Friendly Dropdown Menus Easily

Navigation is at the heart of great web design—and when your site grows in content and complexity, a basic one-level menu won’t cut it. That’s why we built and published a free Multilevel Navigation Menu script at FreeUIcode.com, designed for developers who need modern, scalable, and responsive navigation.

Whether you’re designing a corporate website, portfolio, blog, or eCommerce store, this script gives you the structure and flexibility you need.

Multilevel Navigation Menu Script – Build Responsive, Mobile-Friendly Dropdown Menus Easily
Multilevel Navigation Menu Script – Build Responsive, Mobile-Friendly Dropdown Menus Easily

index.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Multi level Responsive Nagiation</title>
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap" rel="stylesheet">
    <link rel="stylesheet" href="style.css">
</head>

<body>
    <div class="container">
        <div class="wrapper">
            <nav>
                <button class="menu-toggle" onclick="toggleMenu()">☰ Menu</button>
                <ul class="nav-menu" id="navMenu">
                    <li><a href="#">Home</a></li>
                    <li class="has-submenu">
                        <a href="#">About</a>
                        <ul>
                            <li><a href="#">Company</a></li>
                            <li class="has-submenu">
                                <a href="#">Team</a>
                                <ul>
                                    <li><a href="#">Leadership</a></li>
                                    <li><a href="#">Advisors</a></li>
                                </ul>
                            </li>
                        </ul>
                    </li>
                    <li class="has-submenu">
                        <a href="#">Services</a>
                        <ul>
                            <li><a href="#">Web Design</a></li>
                            <li><a href="#">SEO</a></li>
                            <li class="has-submenu">
                                <a href="#">More</a>
                                <ul>
                                    <li><a href="#">Hosting</a></li>
                                    <li><a href="#">Domains</a></li>
                                </ul>
                            </li>
                        </ul>
                    </li>
                    <li><a href="#">Contact</a></li>
                </ul>
            </nav>
        </div>
    </div>
    <script src="script.js"></script>
</body>

</html>

style.css

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Poppins", sans-serif;
  font-weight: 400;
  font-style: normal;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
}

.wrapper {
  min-width: 100%;
  background: #fff;
  padding-top: 80px;
}

nav {
  background: #fff;
  width: 100%;
  -webkit-box-shadow: 0px 1px 12px 0px rgba(0, 0, 0, 0.1);
  box-shadow: 0px 1px 12px 0px rgba(0, 0, 0, 0.1);
}

.menu-toggle {
  display: none;
  font-size: 24px;
  background: none;
  color: #666;
  border: none;
  padding: 15px;
  cursor: pointer;
}

.nav-menu {
  display: flex;
  flex-direction: row;
  list-style: none;
  background: #fff;
  border: 1px solid #eee;
  padding: 0;
}

.nav-menu li {
  position: relative;
}

.nav-menu > li {
  padding: 0 0px;
}

.nav-menu a {
  color: #000;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  transition: background 0.3s ease;
}

.nav-menu a:hover {
  background: #ddd;
}

/* Submenus */
.nav-menu ul {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  background: #fff;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 999;
  border: 1px solid #ddd;
}

.nav-menu li:hover > ul {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-menu ul li {
  position: relative;
}

.nav-menu ul ul {
  left: 100%;
  top: 0;
}

.has-submenu > a::after {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-left: 12px;
  vertical-align: middle;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 75 75"><path d="M2 20 L37.5 55 L73 20" stroke="%23666666" stroke-width="6" fill="none" stroke-linecap="round"/></svg>');
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  transition: transform 0.3s ease;
}

.nav-menu ul .has-submenu > a::after {
  transform: rotate(-90deg);
}
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-menu ul {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    border: 0;
    background-color: #f7f7f7;
  }
  .nav-menu ul li {
    border-bottom: 1px solid #ddd;
  }

  .nav-menu li.open > ul {
    max-height: 500px;
  }

  .nav-menu li.open > a::after {
    transform: rotate(180deg);
  }
}

script.js

function toggleMenu() {
  document.getElementById("navMenu").classList.toggle("active");
}

document.querySelectorAll(".has-submenu > a").forEach((link) => {
  link.addEventListener("click", function (e) {
    if (window.innerWidth <= 768) {
      e.preventDefault();
      this.parentElement.classList.toggle("open");
    }
  });
});

What Is the Multilevel Navigation Menu Script?

This script creates a dynamic, multi-tiered navigation experience that works across desktops and mobile devices. Built with clean HTML, CSS, and lightweight JavaScript, it allows you to nest multiple dropdown levels while maintaining a seamless, intuitive design.

It’s perfect for:

  • Multi-category websites
  • Projects needing nested menus
  • Developers looking for customizable UI components
  • Educational or blog websites with organized content structures

Features of the Free Multilevel Navigation Script

  • Responsive Design – Works beautifully on desktop and mobile
  • Multi-Level Support – Add as many nested submenus as needed
  • Dropdown Indicators – SVG arrows show users which items expand
  • Hover and Click Options – Supports mouse and touch navigation
  • Customizable Styles – Change colors, fonts, spacing easily
  • Clean Code Structure – Easy to integrate into any website
  • Real-Time Preview – See your changes live on FreeUIcode.com

Mobile First, User Friendly

On smaller screens, the menu adapts into a collapsible structure with intuitive expand/collapse arrows. Users can drill into submenus with ease, making your site fully navigable on any device.

The script uses:

  • Media queries for layout shifts
  • Accessible icons/SVGs
  • CSS transitions for smooth animations
  • JS toggles for open/close states

Use Cases

This Multilevel Navigation Menu script is ideal for:

  • eCommerce sites: Categories → Subcategories → Products
  • Blogs: Topics → Subtopics → Article collections
  • University/Edu sites: Courses → Modules → Topics
  • Agencies: Services → Departments → Teams
  • Corporate websites: About → Leadership → Bios

Tips for Customization

Want to tailor the look and behavior? Here’s how:

  • Modify color schemes using CSS variables
  • Change SVG icons to match your design
  • Use hover, click, or both for submenu activation
  • Integrate with frameworks like Bootstrap or Tailwind
  • Add ARIA roles and keyboard navigation for accessibility

Why Use Our Free Script?

Unlike bloated plugins, our script is:

  • Lightweight and framework-agnostic
  • Easy to edit — no build tools required
  • Fully responsive with no layout bugs
  • SEO-friendly with semantic HTML tags
  • Developer-ready with a clear structure

Plus, with the live preview at FreeUIcode.com, you can tweak and test your menu before copying the code.

Get Started Now

Visit the full demo and download the code here:
https://freeuicode.com/multilevel-navigation-menu-script/
You can customize it, integrate it with any website, and use it for personal or commercial projects.

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