Why Google Chrome Disabled uBlock Origin — And How You Can Still Use It

Tim Campbell

uBlock Origin Logo

Recently, Google Chrome made a significant change that has sent ripples through the web browsing community: the popular ad-blocking extension uBlock Origin has been disabled and effectively blocked on Chrome. This move stems from Chrome’s transition away from Manifest V2 extensions to the newer Manifest V3 framework, a shift that has profound implications for privacy, security, and how extensions operate.

What Happened to uBlock Origin on Chrome?

uBlock Origin, widely regarded as one of the most effective and lightweight ad blockers, was built using Chrome’s Manifest V2 extension API. Google announced plans to phase out Manifest V2 in favor of Manifest V3, citing security and performance improvements. However, Manifest V3 imposes strict limitations on how extensions can block network requests and manage filtering rules — limitations that severely reduce the effectiveness of content blockers like uBlock Origin.

As a result, Google has disabled Manifest V2 extensions, including uBlock Origin, on Chrome. This means users find the extension either turned off or removed entirely from the Chrome Web Store. The official Chrome Web Store no longer hosts the Manifest V2 version, and Manifest V3 versions of uBlock Origin are not available because the developer has expressed concerns that MV3’s restrictions undermine the extension’s core functionality.

Why Is This a Big Deal?

  • Privacy and User Control: uBlock Origin empowers users to block intrusive ads, trackers, and malware domains, enhancing privacy and browsing speed. Manifest V3’s restrictions limit these capabilities, potentially exposing users to more ads and tracking.
  • Developer Pushback: The developer of uBlock Origin and many privacy advocates have criticized Manifest V3 as a move that benefits Google’s advertising business model at the expense of user choice.
  • Browser Ecosystem Impact: While Chrome is the dominant browser, alternatives like Firefox, Opera, and Brave continue to support uBlock Origin fully, with Firefox maintaining its own extension framework and Brave explicitly supporting uBlock Origin after their 2025 update.

How to Switch uBlock Origin Back On in Chrome

If you still want to use uBlock Origin on Chrome despite these changes, there are workarounds, though they come with caveats:

1. Enable uBlock Origin via Chrome Extensions Settings

  • Open Chrome and navigate to chrome://extensions/
  • Locate uBlock Origin and click Details
  • Look for permissions related to “Intrusive ads” or similar and make sure they are allowed
  • If the extension is disabled, toggle it back on

2. Manually Install uBlock Origin as an Unpacked Extension

Because the official store version is unavailable, you can:

  • Download the latest uBlock Origin source code from its GitHub repository
  • Enable Developer Mode in chrome://extensions/
  • Click Load unpacked and select the folder containing the downloaded extension files

This allows you to run uBlock Origin manually, but it won’t auto-update, and you may need to repeat this process after Chrome updates.

3. Registry Hack to Re-enable Manifest V2 Extensions (Windows Only, Temporary)

Some users have found a temporary fix by editing Windows Registry:

  • Run regedit
  • Navigate to HKEY_CURRENT_USER\SOFTWARE\Policies\Google\Chrome
  • If the keys don’t exist, create Google and inside it Chrome
  • Inside Chrome, create a new DWORD (32-bit) named ExtensionManifestV2Availability
  • Set its value to 2
  • Restart Chrome

This re-enables Manifest V2 extensions temporarily until Google fully removes support. Use caution editing the registry, and back up before changes.

4. Consider Alternative Browsers

Given the uncertainty around Manifest V2 support, many users are switching to browsers that still support uBlock Origin fully:

  • Mozilla Firefox: Maintains its own extension API, supports uBlock Origin without restrictions, and respects user privacy.
  • Brave Browser: A Chromium-based browser that supports uBlock Origin and has integrated ad-blocking.
  • Opera: Another Chromium fork that continues to support Manifest V2 extensions longer.

Switching browsers is often the simplest way to regain full uBlock Origin functionality without hacks.

What Does This Mean for the Future of Ad Blocking?

Google’s Manifest V3 rollout reflects a broader industry trend of tightening control over browser extensions, often framed as security improvements but with significant trade-offs for privacy and user empowerment. Many extension developers argue that MV3’s network filtering limits will cripple ad blockers and privacy tools, potentially leading to a web with more intrusive ads and tracking.

Users concerned about privacy and control should weigh their options carefully. While Chrome remains dominant, alternatives like Firefox and Brave offer more freedom and respect for user choice.

Final Thoughts

Google’s disabling of uBlock Origin on Chrome is a watershed moment in browser privacy and extension ecosystems. While workarounds exist, they are temporary and technical. For most users, switching to a privacy-focused browser like Firefox or Brave offers a more sustainable solution.

If you want to keep using Chrome, manually installing uBlock Origin from GitHub or applying registry tweaks can help — but stay alert for future Chrome updates that may break these methods.

How To Block Bad Sites On Google Chrome

Are you tired of unwanted websites popping up when you browse? Google Chrome offers several ways to block bad sites that can waste your time or pose security risks. You can block websites in Chrome by using the built-in settings or by installing a free extension like BlockSite from the Chrome Web Store. These tools help you stay focused and browse safely.

Blocking websites is simple and takes just a few minutes to set up. Click the padlock icon in the URL box when visiting a site you want to block and change its permissions. For a more complete solution, extensions like BlockSite let you create a custom list of blocked websites that Chrome will prevent you from accessing.

Key Takeaways

  • Chrome offers both built-in settings and extensions to block unwanted or harmful websites.
  • Blocking sites takes only a few clicks by using the padlock icon in the address bar or installing a free extension.
  • Creating a list of blocked websites helps maintain focus and improves online security while browsing.

Understanding the Need for Blocking Bad Sites

Blocking unwanted websites on Google Chrome helps protect your digital wellbeing and security. Many users need to filter out harmful content for various important reasons.

Privacy and Security Concerns

Bad websites pose serious threats to your online safety. Malicious sites often contain phishing schemes designed to steal personal information like passwords and credit card details. Some sites secretly install malware or spyware on your computer when you visit them.

Ad-heavy websites can also track your browsing habits without permission. This tracking creates detailed profiles of your online behavior, which companies then use for targeted advertising.

Chrome users should be particularly cautious about sites with suspicious URLs or those that lack secure HTTPS connections. These often indicate potentially harmful websites.

By blocking problematic sites, you can:

  • Prevent exposure to scams and fraud attempts
  • Reduce risk of identity theft
  • Protect sensitive personal information
  • Minimize unwanted data collection

Parental Controls and Protecting Children

Children need safe online experiences as they explore the internet. Young users might accidentally access inappropriate content including violence, adult material, or gambling sites that aren’t suitable for their age.

Parents can use Chrome’s blocking features to create a safer browsing environment. This helps children focus on educational content rather than getting distracted by games or social media during homework time.

Effective parental controls allow for:

  • Age-appropriate content filtering
  • Time limits on internet usage
  • Monitoring of online activities
  • Protection from online predators

Many families set up different Chrome profiles for each family member with varying levels of restriction. This balanced approach helps children develop digital literacy skills while still maintaining necessary boundaries for their safety and development.

Using Chrome Settings to Block Unwanted Websites

Google Chrome offers built-in tools to restrict access to inappropriate or distracting websites. These features are especially helpful for parents who want to protect their children online or for anyone trying to boost productivity.

Navigating Chrome Settings

To block websites through Chrome’s settings, start by clicking the three dots in the top-right corner of your browser window. Select “Settings” from the dropdown menu. In the Settings page, scroll down or use the search bar to find “Privacy and security.” Click on this option to reveal more choices.

Next, select “Site Settings.” This page contains various permissions you can control for websites. Look for the “Permissions” section and find “Not allowed to show content.” Click on “Add” to enter the URLs of websites you want to block.

Type the complete website address (like “example.com”) for each site you want to block. Once added, Chrome will prevent access to these sites. You can always return to this section to remove or add more sites as needed.

Setting Up Supervised Users

Chrome offers a more comprehensive solution through supervised users, perfect for parents monitoring children’s browsing. To set this up, go to Chrome Settings and click on “You and Google” at the top. Look for “Parental Controls” or “Family Link” options.

Click “Set up” and follow the prompts to create a supervised account. You’ll need to sign in with your Google account. Once set up, you can manage which websites the supervised user can visit.

The Family Link app (available for smartphones) gives you additional control. Through this app, you can block specific websites, set time limits, and review browsing history. The app sends notifications about attempts to visit blocked sites.

This approach is more thorough than just blocking individual sites, as it creates a safer browsing environment overall.

Employing Extensions and Add-Ons for Website Blocking

Chrome extensions offer powerful tools to block distracting or inappropriate websites. These add-ons provide customizable features that work alongside Chrome’s built-in settings.

Finding and Installing Website Blockers

The Chrome Web Store hosts several website blocker extensions designed to limit access to distracting sites. BlockSite is a popular choice used by over 5 million people worldwide. To install it:

  1. Open the Chrome Web Store
  2. Search for “website blocker” or specifically “BlockSite”
  3. Click the “Add to Chrome” button
  4. Confirm the installation when prompted

Other effective blockers include StayFocusd, LeechBlock, and Cold Turkey. Each offers unique features like scheduling, password protection, and productivity tools.

Most extensions are free, though some offer premium versions with advanced features. Look for extensions with high ratings and regular updates to ensure reliability and security.

Configuring Extension Settings

After installation, you’ll need to set up your blocker to match your needs. Most extensions can be accessed by clicking their icon in the Chrome toolbar.

To configure BlockSite:

  • Click the extension icon
  • Use “Add Site” to block specific websites
  • Create a block list by entering URLs or domains
  • Set blocking schedules if needed
  • Enable password protection for added security

Many blockers let you create different blocking profiles. For example, you might have a “Work” profile that blocks social media and a “Family” profile that blocks adult content.

Some extensions also offer advanced features like redirect options, where blocked sites automatically send you to more productive alternatives.

Advanced Methods: Utilizing Group Policy for Blocking Sites

Group Policy offers robust tools for managing web access across computer networks. This method is particularly useful for organizations wanting to control internet browsing on multiple devices.

Applying Group Policy Settings

To use Group Policy for blocking websites in Chrome, you’ll need to access the Microsoft Windows Group Policy Editor. This tool is available on Windows Pro, Enterprise, and Education editions, but not on Home editions.

To get started:

  1. Open the Run dialog by pressing Windows key + R
  2. Type “gpedit.msc” and press Enter
  3. Navigate to User Configuration > Administrative Templates > Google > Google Chrome

Look for policies related to URL blocking. According to search results, you can use the URLBlocklist policy to restrict access to specific websites. This works well for organizations wanting to block distracting or inappropriate content.

For network administrators, these settings can be deployed across multiple computers using Group Policy Objects (GPOs).

Creating Custom Blocking Rules

When setting up custom blocking rules, you need to understand the proper format for entering URLs. Group Policy allows for detailed control over what gets blocked.

For blocking rules, you can:

  • Block entire domains using asterisks (example: example.com)
  • Block specific pages (example: badsite.com/specificpage)
  • Block by protocol (example: http://example.com)

The search results suggest that while Group Policy has limitations, it can be effective when properly configured. Some sources mention that Group Policy itself doesn’t have a direct URL blocking feature, suggesting that firewall or router solutions might work better in some cases.

For organizations concerned with privacy protection, custom rules can be created to block tracking sites and data collection domains. This adds an extra layer of privacy protection beyond what standard browser settings offer.

Best Practices for Maintaining a Secure Browsing Environment

Keeping Chrome secure goes beyond just blocking websites. Regular updates are vital for security. Chrome updates automatically, but you should restart your browser when prompted to apply these updates.

Use strong, unique passwords for all your online accounts. A password manager can help you create and store complex passwords safely.

Enable Chrome’s Enhanced Protection mode for better security. This feature checks websites for potential threats before you visit them. To turn it on, go to Chrome Settings > Privacy and Security > Security.

Key privacy protection steps:

  • Install uBlock Origin to block ads and trackers
  • Disable features that send data to Google
  • Review site permissions regularly
  • Clear browsing data monthly

For families with children, parental controls are essential. Google offers Family Link, which lets parents:

  • Set time limits
  • Approve app downloads
  • Filter content
  • Monitor online activity

Be careful with browser extensions. Only install those you truly need from trusted sources. Too many extensions can slow your browser and create security risks.

Consider using incognito mode when accessing sensitive information on shared computers. This prevents Chrome from saving your browsing history.

Review Chrome’s privacy settings regularly. Turn off features like predictive searches and automatic form filling if you’re concerned about data collection.

Frequently Asked Questions

Blocking websites in Google Chrome works differently across devices. The methods vary based on your operating system and whether you’re using extensions.

What steps are required to block inappropriate websites on Google Chrome for iPhone?

For iPhone users, Chrome doesn’t have built-in site blocking. You’ll need to use Screen Time in your iPhone settings instead.

Open Settings and tap Screen Time. Select Content & Privacy Restrictions and enable them.

Choose Content Restrictions, then Web Content. You can select Limit Adult Websites or Allowed Websites Only depending on your needs.

How can one restrict access to certain websites in Google Chrome on Android devices?

Android users can block sites in Chrome using the Digital Wellbeing features.

Open Chrome and tap the three dots, then Settings. Select Site Settings, then Blocked sites.

Tap Add site and enter the URL you want to block. Chrome will now prevent access to these websites.

What are the methods for blocking undesirable websites in Chrome without using extensions?

Chrome offers limited built-in blocking without extensions. You can use the hosts file method on computers.

Edit the hosts file in your system (requires admin rights). Add entries like “127.0.0.1 websitetoblock.com” for each site.

For more control, consider using router settings or parental controls built into your operating system instead.

Can you block specific websites on Google Chrome mobile version without installing any apps?

Yes, but options are limited. On Android, use the Chrome site settings mentioned earlier.

For broader protection, set up Google SafeSearch. Open Chrome, go to Google.com, tap Settings, and turn on SafeSearch.

iPhone users must rely on Screen Time controls since Chrome mobile doesn’t have standalone blocking features.

What is the procedure for permanently blocking objectionable websites in Google Chrome?

For permanent blocking, extensions provide the most reliable solution. BlockSite is a popular choice.

Install the extension from the Chrome Web Store. Click its icon and select “Block this site” when visiting unwanted pages.

Set up a password to prevent others from changing your settings. This creates more permanent restrictions than browser settings alone.

How to implement restrictions on untrustworthy sites using Google Chrome’s features?

Chrome has built-in security features that help protect against dangerous sites automatically.

Enable Safe Browsing by opening Chrome Settings, going to Privacy and Security, and selecting Safe Browsing. Choose Standard or Enhanced protection.

You’ll see warnings when visiting potentially harmful sites. Chrome will also check downloads for malware and dangerous software.