The world’s fastest ad blocker!

Same blocking, 8x more accelerated page loading more accelerated page loading

Add to Windows Add to Android Add to iOS Add to browser

Also available for

Find out about Adblock Fast updates first!
Adblock Fast is free to use and the source code, free to modify.
Speedometer

8x more accelerated
webpage loading

Scale

6x less CPU, memory,
& storage consumption

Just as webpages grew bloated with ads, so too have ad blockers grown bloated with little-used filtering rules and features that sap their speed and hog your computer or device’s CPU, memory, and storage. Adblock Fast executes a mere 12 optimized filtering rules to accelerate pages 8x more but consume 6x less computing resources than other ad blockers do.

Exactly how much faster, you ask, is Adblock Fast? Let’s crunch some numbers.

  •  
  • Filtering
  • Install file
  • Page load
  • Peak CPU
  • Peak memory
  • AdBlock
  • 65K rules
  • 843 KB
  • 2.84s
  • 19.4%
  • 162.5 MB
  • Anarch-A
  • 12 rules
  • 97 KB
  • 2.10s
  • 6.6%
  • 58.5 MB
  • ABP
  • 65K rules
  • 543 KB
  • 3.23s
  • 20.3%
  • 158.0 MB

1. Adblock Fast executes 5,000x fewer filtering rules per page.1

  • AdBlock: 65,316 rules
  • Adblock Plus: 65,316 rules
  • Adblock Fast: 12 rules

I.e., the app runs faster.

2. Adblock Fast consumes 7x fewer kilobytes of storage.2

  • AdBlock: 843 KB
  • Adblock Plus: 543 KB
  • Adblock Fast: 97 KB

I.e., the app installs faster.

3. Adblock Fast accelerates page loading by 8x as many seconds.3

  • No ad blocker: 3.17s (control)
  • AdBlock: 2.84s (0.33s faster)
  • Adblock Plus: 3.23s (0.06s slower)
  • Adblock Fast: 2.10s (1.07s faster)

I.e., pages load faster.

4. Adblock Fast consumes a 3x lower percentage of CPU.4

  • AdBlock: 19.4%
  • Adblock Plus: 20.3%
  • Adblock Fast: 6.6%

I.e., your computer or device runs faster.

5. Adblock Fast consumes 3x fewer megabytes of memory.5

  • AdBlock: 162.5 MB
  • Adblock Plus: 158.0 MB
  • Adblock Fast: 58.5 MB

I.e., your computer or device runs faster still.

Benchmark notes

  1. Rule counts were retrieved from EasyList and Adblock Fast’s ruleset on December 3rd, 2023.
  2. File sizes were retrieved from each app’s listing in the Chrome Web Store on September 1st, 2015.
  3. Load times were measured in Chrome on September 1st, 2015 by (1) enabling each app, (2) clearing the browser’s cache before each trial, (3) loading the homepage of each of Alexa’s top 10 news sites 3 times, (4) recording the elapsed time shown by the browser’s developer tools when the load event fired, and (5) calculating the mean time for each app.
  4. CPU use was measured in Chrome on September 1st, 2015 by (1) enabling each app, (2) clearing the browser’s cache before each trial, (3) loading the homepage of each of Alexa’s top 10 news sites 3 times, (4) recording the peak CPU percentage shown by the browser’s task manager, and (5) calculating the mean percentage for each app.
  5. Memory use was measured in Chrome on September 1st, 2015 by (1) enabling each app, (2) clearing the browser’s cache before each trial, (3) loading the homepage of each of Alexa’s top 10 news sites 3 times, (4) recording the peak Memory size shown by the browser’s task manager, and (5) calculating the mean size for each app.

Show or hide the raw benchmark data.

Owner’s manual

Adblock Fast is so fast that even reading the manual takes no time flat. Here’s everything you need to know.

In Android

Adblock Fast blocks ads in the Samsung Internet browser 4.0 and up (not in other apps). To enable Adblock Fast to block in Samsung Internet:

  1. press the Home button on your Android device,
  2. tap the Internet app,
  3. tap (the toolbar button) > Extensions > Content blockers, then
  4. toggle the Adblock Fast switch on.

To unblock ads, go to the Adblock Fast app.

In iOS

Adblock Fast blocks ads in the Safari browser (not in other apps). To enable Adblock Fast to block in Safari:

  1. press the Home button on your iPhone or iPad,
  2. tap the Settings app,
  3. tap Safari > (under GENERAL) Content Blockers, then
  4. toggle the Adblock Fast switch on.

To unblock ads, go to the Adblock Fast app.

To see the effect of Adblock Fast on a particular page, you may have to clear Safari’s cache (tap Settings > Safari > Clear History and Website Data) before reloading the page.

In Chrome or Opera

Adblock Fast installs a button in your browser’s toolbar. The button indicates the status of the site and page you’re on:

  • Ads are being blocked on the site and ads were found on the page.
  • Ads are being blocked on the site, but no ads were found on the page.
  • Ads aren’t being blocked on the site, but ads were found on the page.
  • Ads aren’t being blocked on the site and no ads were found on the page.

If Adblock Fast is interfering with the behavior of the page, you can click the button to unblock ads. Your choice will be remembered whenever you go back to the site.

If you have any questions or comments, you can follow and message us on Facebook or on Twitter or can send us mail at [email protected].

(In)frequently asked questions

Who created Adblock Fast?

Adblock Fast was created and is maintained by Rocketship, an award-winning app studio whose mission is to design and develop the finest desktop, mobile, and web experiences in the universe.

What is Adblock Fast?

Adblock Fast is a faster ad blocker for desktop computers and mobile browsers.

When will Adblock Fast be available on [insert platform here]?

Adblock Fast is available for Windows 7 and up, Android 5.0 and up with Samsung Internet 4.0 and up, iOS 9 and up on 64-bit devices (iPhone 5s and up and iPad mini 2 and up), and the Chrome and Opera desktop browsers. Follow us on Facebook or on Twitter for news about additional platform availability.

Where does Adblock Fast’s filtering ruleset come from?

Adblock Fast’s ruleset is derived from EasyList and that of Bluhell Firewall.

Why does Adblock Fast require [insert permission here] at install time?

Like all (functional) ad blockers, Adblock Fast prompts you for the permissions required to block ad requests by intercepting HTTP traffic and to hide ad elements by injecting CSS and JavaScript into visited pages.

How can Adblock Fast for Windows be uninstalled?

Open the Start menu, go to Settings > Apps > Apps & features, choose the Adblock Fast app, then press the Uninstall button.

As seen on

Adblock Fast for your browser

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Also available for

Source code · License agreement · Privacy policy