How to Change Scrollbars Width on Chrome and Firefox on Windows 11 or 10?

Google Chrome and Mozilla Firefox include horizontal and vertical scrollbars to help you find and view content on these browsers. If you are not satisfied or comfortable with the default width of scrollbars in Chrome and Firefox, you can make them wider or thinner to meet your needs.

Scrollbar width can be changed in Mozilla Firefox. However, to change the width of scrollbars in Google Chrome, you’ll need to use a free extension.

In this risewindows article, we’ll show you how to make the horizontal and vertical bars of the Mozilla and Chrome browsers broader and thinner.

How to Change Scrollbar Width in Google Chrome on Windows 11 or 10?

The Scrollbar Customizer is a free Chrome browser extension that allows you to change the scrollbar’s size quickly. Aside from that, you can use this extension to change the border color, add a shadow with a custom color to the slider handle, add rounded corners to scrollbars, and so on. Furthermore, this extension does not work on the Chrome Settings page, Chrome Web Store, Extensions page, or any other page.

To install the Scrollbar Customizer extension, open the Chrome browser, navigate to, and click the Add to Chrome button.

Now, click on the Add extension in the pop-up window. It will download and install the Scrollbar Customizer on your PC. After that, click on the extension icon present in the top right corner of the Chrome browser when you have installed this extension on your Chrome browser. Next, click the three-dotted vertical menu beside the “Scrollbar Customizer” and select Options. You can also choose pre-defined scrollbars from the Options page using the “Preset Scrollbars” drop-down menu. If you are dissatisfied with any scrollbars, click the Customize button. You will now see several customization options, including Scrollbar Style, Button Style, and Thumb Style. Once you’ve made the necessary changes, you can see a live preview of the scrollbars at the top of the screen. When you’re finished making changes, click the Save button to save them.

How to Change Scrollbar Width in Mozilla Firefox on Windows 11 or 10?

Unlike Google Chrome, for Firefox, you don’t need to download and install any add-on or extension to change the scrollbar width, as there is a native option to do that. 

Follow the below-described steps to change scrollbars width in Mozilla Firefox on Windows 11 or 10:-

Step 1. First of all, open the Firefox browser and then type the following in the address bar:

about: config

Step 2. After that, press the Enter key from the keyboard.

Step 3. Then, click the Accept the Risk and Continue button to open the Advanced Preferences page when you see the “Proceed with Caution” warning message.

Step 4. Now, type the following in the search box on the Advanced Preferences page:-

Step 5. Next, double-click on the in the search results or click the pencil icon next to it. Further, type the following number into the box and press the Enter key or click the checkmark:-

  • 0: Default width (current Windows OS style scrollbars)
  • 1: MacOS style scrollbars
  • 2: GTK style scrollbars
  • 3: Android style scrollbars
  • 4: Windows 10 style scrollbars
  • 5: Windows 11 style scrollbars

When you finish the preceding steps, the scrollbars in Microsoft Firefox will change immediately.

That’s all.

You guys are amazing, keep reading, keep learning, and keep growing.

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