Freemius

WP Mighty

<a href="https://wpmighty.com/wordpress-plugins/scrollbar-customizer" rel="nofollow ugc">Scrollbar Customizer</a> is an advanced WordPress plugin that let you easily customize and change the design and control of the scrollbar in your website.
<h3>The Key Features of Scrollbar Customizer</h3>
⭐ Customize dragger height 
⭐ Customize bar width and side space 
⭐ Customize bar background color 
⭐ Customize dragger color 
⭐ Change bar border radius 
⭐ Compatible with all page builders 
⭐ Compatible with all WordPress themes 
⭐ Gutenberg compatible 
⭐ Include pot file for translation 
⭐ Compatible with last WordPress version 
⭐ Lightweight and fast with no jQuery 
⭐ Compatible with all modern browsers
<h3>Pro version Features</h3>
⭐ Dark mode theme support 
⭐ Gradient dragger support 
⭐ Change wheel speed 
⭐ Size Animation on hover
<a href="https://wpmighty.com/wordpress-plugins/scrollbar-customizer" rel="nofollow ugc">Get pro version now</a>

Scrollbar Customizer

Easily customize and change the design and control of the scrollbar in your website.

Apsara Aruna

This is make you browser scrollbar customize.
Features 
*Customize browser scrollbar when you website loading 🙂 .
Also see my other plugins 
* <a href="https://wordpress.org/plugins/widget-youtube-subscribtion/" title="Easy Subscribe Button Widget" rel="ugc">Easy Subscribe Button Widget</a> 
* <a href="https://wordpress.org/plugins/popup-notification-news-alert/" title="Toast Popup Notification News Alert" rel="ugc">Toast Popup Notification News Alert</a> 
* <a href="https://wordpress.org/plugins/embed-page-facebook/" title="Easy Embed Page Widget" rel="ugc">Easy Embed Page Widget</a>

Browser Scroll Bar

This is make you browser scrollbar customize.

Scrollbar Customizer vs Browser Scroll Bar