renp

A simple WordPress plugin which adds a “scroll to top” button to the bottom corner of the page if the page has been scrolled down. It is compatible with all major browsers and should work with all themes, including 
responsive and high resolution themes.
It is possible to configure the plugin in the admin area for choosing between light or dark colour schemes and size of the button as well.
If your theme doesn’t already contain this feature, you can simply add it by means of this plugin.

Scroll to Top Button

Displays a button in the bottom right corner for smooth scrolling to the top of the page.

WebRecourse

Top Page Scroll is an all-in-one complete plugin to add smooth scrolling feature to your WordPress Website. It has the feature to enable Scroll To Top Button, Smooth Scrolling To Top, Smooth Scrolling To ID, Page Smooth Scrolling To Mouse Scroll.
With in the setting page, you can create a beautiful Scroll To Top Button, Also you can set the button position to Left, Right or Center.
Also you have the option to enable only one function like, Scroll To Top or Scroll To ID or Page Smooth Scroll or you can enable all these options.
Features:
<ol>
<li>Smooth Scroll To Top</li>
<li>Smooth Scroll To ID</li>
<li>Page Smooth Scrolling (Smooth Mouse Scrolling)</li>
</ol>
From the setting page, you can customize these options as you want.
Plugin’s Website: <a href="https://digitaladquest.com/wordpress-plugins/" rel="nofollow ugc">https://digitaladquest.com/wordpress-plugins/</a>
Author’s Website: <a href="https://digitaladquest.com/" rel="nofollow ugc">https://digitaladquest.com/</a>

Top Smooth Scroll

A complete plugin to add smooth scroll to your WordPress Website, Smooth Scroll To Top, Smooth Scroll To ID, Page Smooth Scrolling, Mouse Smooth Scrol …

Scroll to Top Button vs Top Smooth Scroll