Scroll-to-Top Button Generator

Generate customizable HTML, CSS, and JS for a scroll-to-top button.

Customize Button

Background Color

Icon Color

Size (px): 48

Show After (px): 300

Live Preview

1. HTML

<button id="scrollToTopBtn" title="Go to top">↑</button>

2. CSS

#scrollToTopBtn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 99;
  border: none;
  outline: none;
  background-color: #007bff;
  color: #ffffff;
  cursor: pointer;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 24px;
  line-height: 48px;
  text-align: center;
  transition: opacity 0.3s, visibility 0.3s;
}

#scrollToTopBtn:hover {
  opacity: 0.8;
}

3. JavaScript

window.addEventListener('DOMContentLoaded', (event) => {
    const scrollToTopBtn = document.getElementById("scrollToTopBtn");

    window.onscroll = function() {
        if (document.body.scrollTop > 300 || document.documentElement.scrollTop > 300) {
            scrollToTopBtn.style.display = "block";
        } else {
            scrollToTopBtn.style.display = "none";
        }
    };

    scrollToTopBtn.addEventListener('click', function(){
        window.scrollTo({top: 0, behavior: 'smooth'});
    });
});

Scroll-to-Top Button Generator

Customize Button

1. HTML

2. CSS

3. JavaScript

How do I use this generated code?

Can I customize the button's appearance?

What does the 'Show After (px)' value do?

How does the smooth scrolling work?