How to Block Websites on Opera/Opera GX on Windows PC and Mac
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Opera and Opera GX do not include a built-in feature to block specific websites. For a quick option on a computer, use a web filter extension. For password protection, schedules, or blocking across multiple browsers, use a web filter app. In this article, we’ll show you several ways to block websites on Opera for Windows PC or Mac.
Cisdem AppCrypt
The Best Tool To Block Websites on Opera/Opera GX
- Block websites on Opera, Opera GX, Chrome and other browsers
- Let you block access to specific websites/webpages
- Also let you block websites by categories, like games sites, porn
- Block URLs containing certain keywords
- Let you block all websites except the ones you allow
- Let you block websites permanently or during certain times
- Require password to enter/quit/uninstall AppCrypt
- Lock apps with password
- Help with parental controls, productivity, and privacy protection
- Easy to use and hard to bypass
- Available for Windows, Mac, Android, iPhone and iPad
How to block a website on Opera using a web filter app
Best for: Users who want to block websites on Opera or Opera GX with a password, set blocking schedules, or prevent the blocking from being easily bypassed.
Cisdem AppCrypt is an easy-to-use web filter app that lets you block specific websites or categories of websites Opera, Opera GX, and other popular browsers. By default, the websites are blocked permanently. You can also set schedules to block them only at certain times.
Below are the steps to block a website on Opera, Opera GX using this web filter app.
For Windows
1. Download and install AppCrypt on your Windows PC.
Free Download Windows 10 or later
2. Set a password when you first launch this web filter app.

3. Right-click its icon on the taskbar. Select Open Main Window.

4. Enter the password to open the main window.

5. Go to the Web Block tab. AppCrypt will prompt you to install its browser extension.
Click the Install button next to Opera. Download the extension. Install it to the Opera or Opera GX browser.

Tip: If you want to block the websites on other browsers too, such as Chrome, Edge, install the extension for each browser.
6. Reture to the Web block tab. Enter the URL that you want to block in the URL field. Then click Add.

Now the website is blocked in Opera on your Windows PC.
Tip 1: Block websites on Opera/Opera GX by categories
Opera especially Opera GX is a browser preferred by gamers. Features like CPU, RAM and Network limiter enhance their gaming experience. However, spending too much time playing games can be damaging, especially for young kids. Cisdem AppCrypt can help you block websites by categories on Opera/Opera GX, like games sites, gambling, and more. For example, to block all popular games websites on the Internet, click Import on the upper right corner. Choose Games Sites.
Tip 2: Block a website on Opera/Opera GX at certain times
If you just want to control the time you/your kids spend on certain websites, you can set a schedule. Then this tool will only block this website during the time you set. And can be accessed normally at other times. To do that, find the site from your block list. Click the clock icon on the left. Enable Custom Schedule then set the time. Alternatively, you can also set a general schedule to all blocked websites on your block list at certain times. The general schedule icon is on the top tool bar.

Tip 3: Block access to all sites except a few on Opera/Opera GX
This web filter app provides 2 blocking modes. It lets you add unwanted websites to block list, or block all websites on the Internet but allow a few. To use the latter mode, enable the “Block all websites” button in the bottom left corner. Click on “Exceptions” next to it. Add the sites that you allow access to the “Always Allow” list. Then all websites will be inaccessible on Opera except for the few you approved.

For Mac
Cisdem AppCrypt is also available for Mac. It helps to block websites on Opera, Opera GX, and all other popular browsers on Mac without having to download extensions.
1. Download and install this web filter app on your Mac.
Free Download macOS 10.15 or later
2. Launch it. Set a password in the pop-up window.
3. Click the lock icon on the menu bar. Choose Open Main Window.

3. Enter the password to access it.
4. Go to Web Block tab. Add sites you wish to block on Opera to the block list.

Now the website is blocked in Opera on your Mac.
How to block a website on Opera using a web filter extension
Best for: Users who want a free and simple way to block websites on Opera and do not need strong protection against bypassing.
If you prefer not to install a desktop app, web filter extension is a simple alternative. It works directly on Opera browser. It’s suitable for blocking a few distracting websites. But what I have to say is that the extensions can be easily removed. So if you want to block a website on Opera to control your child’s online behavior, this is not the safest way.
In the following steps, we will use Block Site by raylothian. It lets you block specific websites, and block access to the websites at specified times and days.
1. Open Opera or Opera GX on your computer.
2. Click the 3-dot icon in the bottom left corner. Under Sidebar Extensions, click Add more.

3. In the search bar of the Opera add-ons window, search for Block Site. Select the extension developed by raylothian.

4. Click Add to Opera in the upper right corner. Then click Installing.

5. Click the cube icon in the upper-right corner of the window. Then click the 3-dot icon next to Block Site. Select Options.

6. In the Options page, add the unwanted websites into the top box. Click Add.

Scroll down the Options page, you can find some other useful features for blocking websites on Opera, such as redirecting to custom URL when website is blocked, scheduling the blocking.
Bonus tip: Can Opera’s built-in settings block a website?
No. Opera do not have a built-in feature that completely blocks access to a specific website. But Opera’s site settings allows you to specify if a website can set cookies, use JavaScript, show images, send pop-ups or use redirects. Below I’ll show you how to set YouTube website to not show images in Opera.
1. Open the Opera browser.
2. Click the 3-dot icon. Click Settings icon on the sidebar.

3. Select Privacy & security > Site settings.

4. Scroll down to the Content section. Select Images.

5. Go to the Customized behavior section. Click the Add button next to Not allowed to show images.
6. Type in YouTube’s URL. Click Add.

Now go to YouTube on the Opera, you will find this site does not show images and features that need images won’t work.
FAQs
How to block porn on Opera?
Cisdem AppCrypt can also be used as a porn blocker for Opera and other browsers on your computer. With one click, you can block access to more than 500,000 known porn sites. You can also add specific inappropriate websites to the block list or use the keywords filter feature.
Is there a free website blocker for Opera?
Yes. The Block Site extension is free to use on Opera and Opera GX. However, it can be disabled or removed without password, so it may be not suitable for parental controls.
How do I block websites on Opera on a phone?
On Android, Cisdem AppCrypt supports Opera, Opera Mini, and Opera GX. It lets you block specific websites and set schedules. AppBlock is another option available for Android and iOS.
Conclusion
Our kids are always affected by inappropriate websites on the Internet such as porn sites, games sites. Also, we are easy to get distracted by some interesting websites such as social media when working. It’s necessary to find a way to block unwanted websites. To block a website on Opera/Opera GX, I think the best way is to install 3rd-party web blocker apps such as AppCrypt. If you choose to add extensions, the blocking can be bypassed easily. And Opera’s built-in settings can’t block a website completely.
Norah Hayes likes to share her tips on how to improve focus and stay motivated at work. She believes it is essential to eliminate all online distractions during work hours.
Ethan Long joined Cisdem in 2015 as a developer and now serves as the editorial advisor for Cisdem AppCrypt. He actively tests and uses Cisdem AppCrypt and other screen-time management tools to ensure AppCrypt meets its promises in real-world scenarios.





Levi King
The AppCrypt method works great and blocks sites more effectively than extensions.
Karlheinz Hörhammer
Both methods are useful. Thank you!And I think the web filter app would be better as it also works on Chrome and other browsers.