Gmail's built-in ad blocking and what it actually does

Gmail does not show traditional banner ads in your inbox — Google removed those years ago. What you see instead are sponsored messages that look like regular emails, sitting at the top of your inbox with a small "Ad" label. You cannot turn off these sponsored messages through a Gmail setting, but you can report them individually, and Gmail's spam filter learns from your choices over time.

If you want to stop seeing ads elsewhere while you read Gmail — ads on the Gmail interface itself, or ads on other websites — you need a browser extension. The most straightforward approach is to install an ad blocker in your web browser, which will block ads across Gmail and every other website you visit.

Some people confuse Gmail ads with promotional emails from companies you actually subscribed to (newsletters, order confirmations, sale announcements). Those are not ads in Gmail's system — they are regular emails. You can unsubscribe from those using the unsubscribe link at the bottom of each message, or you can create filters to send them to a folder automatically.

Key Takeaways

  • Gmail's sponsored messages appear at the top of your inbox with an "Ad" label and cannot be disabled through settings, but you can report them one at a time.
  • Browser-based ad blockers like uBlock Origin, Adblock Plus, or Brave browser will remove ads from Gmail's interface and from other websites you visit.
  • Promotional emails from companies you subscribed to are not Gmail ads — unsubscribe using the link at the bottom of each message, or create a filter to sort them automatically.
  • If you use Gmail on your phone, ad blockers work differently: some browsers like Brave have built-in blocking, while others require you to use a different email app.

Installing an ad blocker extension in Chrome, Firefox, or Edge

The easiest method is to add an ad-blocking extension to your browser. Three popular choices are uBlock Origin (free, lightweight, and highly configurable), Adblock Plus (free, simpler interface), and Brave browser (a full browser with ad blocking built in, no extension needed). Most people find uBlock Origin the best balance of power and ease.

To install uBlock Origin in Chrome: open the Chrome Web Store, search for "uBlock Origin", click the extension by Raymond Hill, and click "Add to Chrome". A popup will ask you to confirm — click "Add extension". The uBlock icon will appear in your toolbar. You do not need to configure anything; it blocks ads automatically from that moment on.

The same process works in Firefox and Edge: open their extension stores, search for the ad blocker you want, and click the install button. Once installed, the extension runs in the background. You will see fewer ads on Gmail and everywhere else when ready.

If you switch to Brave browser instead, you skip the extension step entirely — Brave blocks ads and trackers by default. read Brave from brave.com, sign in with your Google account, and your Gmail works the same way, just with ads removed.

Reporting sponsored messages in Gmail directly

Even with an ad blocker, you may still see Gmail's sponsored messages at the top of your inbox — these are part of Gmail's core system and some ad blockers do not catch them. To report one, open the message and look for the three-dot menu icon in the top right corner of the email. Click it and select "Report phishing" or "Report spam" depending on what the message is.

Gmail does not remove the message when ready, but it learns from your reports. If many users report the same sender, Gmail may block future messages from that account. This is slower than an ad blocker, but it helps train Gmail's filters over time.

Do not confuse these sponsored messages with regular promotional emails from retailers or services. Those are emails you signed up for, and reporting them as spam can cause problems with legitimate services. Use the unsubscribe link instead, which you will find at the very bottom of the email in small text.

Creating filters to hide promotional emails automatically

If you receive a lot of newsletters or promotional emails that you do not want to see, you can create a filter that sends them to a folder automatically, rather than reporting them as spam. Open Gmail, click the Settings gear icon in the top right, and select "See all settings".

Click the "Filters and Blocked Addresses" tab. At the bottom, click "Create a new filter". In the "From" field, type the sender's email address or domain (for example, noreply@amazon.com or @newsletter.company.com). Click "Create filter".

On the next screen, check the box next to "Skip the Inbox (Archive)" or "Delete it" depending on whether you want to keep the emails in a folder or remove them entirely. You can also check "explore the filter to matching conversations" to explore the rule to emails already in your inbox. Click "Create filter".

From that point on, emails matching that filter will bypass your inbox. You can create as many filters as you need — one for each newsletter or sender you want to hide.

Using Gmail on your phone with ad blocking

Ad blockers work differently on phones because mobile browsers have fewer extension options. If you use the Gmail app on iPhone or Android, ad blockers do not work inside the app itself — they only work in web browsers.

Your best options are: use Brave browser on your phone (it has built-in ad blocking and works with Gmail in the browser), or use a different email app that supports ad blocking. Most people find it simpler to just use the Gmail app and accept that sponsored messages will appear, since they are less intrusive on a phone screen than on a desktop.

If you want to block ads on your phone across all apps and websites, you can enable a system-level ad blocker through your phone's settings, but this is more complex and varies by device. For most people, using Brave browser when you need to check Gmail on your phone is the simplest approach.

Why ads appear in Gmail and what Google does with them

Gmail is free because Google sells ads. The sponsored messages you see are targeted based on the content of your emails — Google's system reads your messages to figure out what you are interested in, then shows you ads related to those topics. This is how Google pays for the service.

When you install an ad blocker, you are preventing Google from showing you those ads, which means Google does not get paid for your account. This is legal — you have the right to block ads. However, some services (not Gmail, but others) may restrict your access if you use an ad blocker, so it is worth knowing that trade-off exists.

Google still reads your emails to organize them and provide features like spam filtering and Smart Reply suggestions. An ad blocker does not stop that — it only stops the ads from displaying. If you want Google to stop reading your emails entirely, you would need to use a different email service, which is a larger decision outside the scope of ad blocking.

Frequently Asked Questions

Will an ad blocker slow down Gmail?

No. Modern ad blockers like uBlock Origin use very little computer memory and have almost no impact on Gmail's speed. You may actually notice Gmail loads slightly faster because the browser is not loading ad content.

Can Google tell if I am using an ad blocker?

Yes, Google can see that you are using an ad blocker, but it does not punish you for it or lock you out of Gmail. You can use Gmail normally with an ad blocker installed. Some other websites may show you a message asking you to disable your ad blocker, but Gmail does not do this.

Do I need to pay for an ad blocker?

No. uBlock Origin, Adblock Plus, and Brave browser are all free. Some ad blockers offer paid versions with extra features, but the free versions block ads just as well for Gmail and general browsing.

What is the difference between reporting spam and using an ad blocker?

Reporting spam teaches Gmail's filter to block future emails from that sender. An ad blocker prevents ads from displaying in your browser, but does not affect Gmail's system. For sponsored messages, an ad blocker is faster; for unwanted emails from real senders, reporting or filtering is more effective.

If I use an ad blocker, will I still get important emails?

Yes. Ad blockers only hide ads — they do not block regular emails. All your messages from people and services will arrive normally. The only thing that changes is that you will not see sponsored messages or ads on web pages.