How to Block Ads on Chrome Without Any Extension

Aggressive ads, pop-ups, and auto-playing videos make browsing the web a frustrating experience. While browser extensions like uBlock Origin are popular solutions, not everyone wants to install third-party software. The good news is that Google Chrome has built-in features to block intrusive ads without any extension.

In this guide, we'll cover 5 methods to reduce or eliminate unwanted ads using only Chrome's native settings and system-level tools. These methods work on both desktop and mobile versions of Chrome.

1. Enable Chrome's Built-in Ad Blocker

Chrome includes a built-in ad blocker that's compliant with the Coalition for Better Ads standards. It automatically blocks ads on websites that consistently show intrusive ad formats.

This won't block all ads, but it eliminates the most annoying ones like full-page ads, auto-playing video ads with sound, large sticky ads, and prestitial ads with countdowns.

2. Block Pop-ups and Redirects

Pop-up ads and unexpected redirects are among the most annoying ad types. Chrome can block both.

Go to Settings → Privacy and security → Site settings → Pop-ups and redirects. Set it to "Don't allow sites to send pop-ups or use redirects." This prevents websites from opening new windows or tabs without your permission.

3. Stop Notification Spam

Many websites trick users into enabling notifications, then send spam ads through browser notifications. Here's how to stop it:

Go to Settings → Privacy and security → Site settings → Notifications. Set the default to "Don't allow sites to send notifications." You can also review and remove any sites that already have notification permission by scrolling down to the "Allowed to send notifications" section.

4. Use DNS-Based Ad Blocking

By using a DNS provider that blocks ad domains, you can prevent ads from loading at the network level — this works across all browsers and apps on your device.

Go to Settings → Privacy and security → Security → Use secure DNS. Select "With" and choose a provider, or enter a custom DNS. Two great options for ad blocking:

• Cloudflare for Families (1.1.1.2): Blocks malware domains
• AdGuard DNS (94.140.14.14): Blocks ads and trackers at the DNS level

This method blocks ads in Chrome and other applications without installing any software.

5. Edit the Hosts File (Advanced)

For advanced users, editing the Windows hosts file can block ad-serving domains system-wide. This is the most powerful method but requires administrator access.

Open Notepad as Administrator. Open the file at C:\Windows\System32\drivers\etc\hosts. Add entries like 0.0.0.0 ads.example.com for each ad domain you want to block. There are pre-built hosts files available online with thousands of ad domains already listed.

6. Block Ads on Chrome Mobile (Android)

Chrome on Android also has built-in ad blocking capabilities:

• Open Chrome on your Android phone
• Tap the three-dot menu → Settings → Site settings
• Tap "Ads" and make sure blocking is enabled
• Also check "Pop-ups and redirects" and set to blocked
• For DNS-level blocking, go to your phone's Settings → Network → Private DNS and enter dns.adguard.com

Frequently Asked Questions

Will these methods block ALL ads?

Chrome's built-in blocker only blocks the most intrusive ad types. DNS-based blocking is more comprehensive but won't catch everything. For complete ad blocking, an extension like uBlock Origin remains the most effective solution.

Is it ethical to block ads?

This is a personal decision. Many websites rely on ad revenue to provide free content. However, blocking intrusive, malicious, or deceptive ads is generally considered reasonable. Consider supporting your favorite websites through subscriptions or donations if you block their ads.

Will blocking ads make Chrome faster?

Yes! Ads consume bandwidth, CPU, and memory. Blocking them can significantly improve page load times and reduce data usage, especially on mobile devices.