Firefox Browser Add-ons
  • Extensions
  • Themes
    • for Firefox
    • Dictionaries & Language Packs
    • Other Browser Sites
    • Add-ons for Android
Log in
Preview of AdBlock for Firefox

AdBlock for Firefox by AdBlock

The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.

4.2 (3,496 reviews)4.2 (3,496 reviews)
1,247,930 Users1,247,930 Users
You’ll need Firefox to use this extension
Download Firefox and get the extension
Download file

Extension Metadata

Screenshots
About this extension
Over 40 million users can't be wrong. AdBlock is the most popular ad blocker for Google Chrome and Safari. Now finally available for Firefox!

Special features:
  • All ads blocked by default.
  • Block video ads on YouTube.
  • Customize your filter lists.
  • See how many ads you've blocked.
  • Allow ads on your favorite sites in a snap.
  • Available in over 30 languages
  • Speed up your browser. Most ads aren't even downloaded at all.
  • Quick and easy in-page ad reporting.
It's your browser. What you see should be up to you. AdBlock works automatically, but it only takes a couple clicks to permanently allow ads on any page, or an entire domain. Don't mind text ads? You can easily enable them for Google search results pages. Learn more at the AdBlock website.

Our privacy policy has been updated (Effective Date: May 7, 2018) and is available at https://getadblock.com/privacy/
Rated 4.2 by 3,496 reviewers
Sign in to rate this extension
There are no ratings yet

Star rating saved

5
2,442
4
390
3
140
2
100
1
424
Read all 3,496 reviews
Permissions and dataLearn more

Required permissions:

  • Extend developer tools to access your data in open tabs
  • Display notifications to you
  • Access browser tabs
  • Access browser activity during navigation
  • Access your data for all websites
More information
Add-on Links
  • Homepage
  • Support site
Version
6.25.1
Size
5.76 MB
Last updated
10 days ago (Jul 29, 2025)
Related Categories
  • Privacy & Security
  • Search Tools
License
GNU General Public License v3.0 only
Privacy Policy
Read the privacy policy for this add-on
Version History
  • See all versions
Tags
  • ad blocker
Add to collection
Report this add-on
Release notes for 6.25.1
This release contains bugfixes and under-the-hood changes.
More extensions by AdBlock
  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

Go to Mozilla’s homepage

Add-ons

  • About
  • Firefox Add-ons Blog
  • Extension Workshop
  • Developer Hub
  • Developer Policies
  • Community Blog
  • Forum
  • Report a bug
  • Review Guide

Browsers

  • Desktop
  • Mobile
  • Enterprise

Products

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Legal

Except where otherwise noted, content on this site is licensed under the Creative Commons Attribution Share-Alike License v3.0 or any later version.