1
Also covers browser extension and open source · same kind of open-source project
The Locale Switcher extension for Chrome and Firefox changes browser language settings and Accept-Language headers, with per-tab controls.
Alternatives
The Best uBlock Origin (uBO) Alternatives in 2026
24 alternatives1 free · 19 open source
Looking for something like uBlock Origin (uBO)? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 19 are open source.
About uBlock Origin (uBO)github.com/gorhill/uBlock
VisituBlock Origin is a content blocker for Chromium and Firefox browsers, described by its project as efficient, fast, and lean.
Top picks at a glance
First suggestionLocale SwitcherThe Locale Switcher extension for Chrome and Firefox…Free or freemium optionDo Hspeed TestDNS Speed Test is a browser-based tool for measuring DNS…Another optionPopup Blocker (strict)Popup Blocker (strict) prevents popup windows in a browser…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Locale Switcher | — | Yes | Browser extension, Windows |
| 2 | Popup Blocker (strict) | — | Yes | Android, Browser extension, Windows |
| 3 | Redundant Extensions | — | Yes | Browser extension |
| 4 | Bookmarklet | — | Yes | Browser extension |
| 5 | BehindTheOverlay | — | Not stated | Browser extension |
| 6 | Ports | — | Yes | Android, Browser extension |
| 7 | AI uBlock Blacklist | — | Yes | — |
| 8 | Chameleon | — | Yes | — |
| 9 | uBO Lite | — | Yes | — |
| 10 | uAssets | — | Yes | — |
All uBlock Origin (uBO) alternatives
2
Also covers browser extension and open source · same kind of open-source project
Popup Blocker (strict) prevents popup windows in a browser extension and includes a history feature.
3
Also covers browser extension and open source · same kind of open-source project
The arkenfox user.js wiki discusses browser extensions and recommends keeping them to a minimum because they have privileged browser access.
4
Also covers browser extension and open source · same kind of open-source project
SB.js brings SponsorBlock to a bookmarklet or userscript for restrictive environments, with loader and standalone usage options.
5
BehindTheOverlay
github.com/NicolaeNMV/BehindTheOverlayAlso covers browser extension · same kind of open-source project
Behind The Overlay is a Chrome and Firefox extension that closes website overlays with one button.
6
Also covers browser extension · same kind of open-source project
This SponsorBlock wiki page lists third-party ports of the browser extension for other platforms and explains how to report issues.
7
Also covers open source · same kind of open-source project
Subscribe to a uBlock Origin list that blocks websites identified by its maintainer as AI-generated content farms.
8
Also covers open source · same kind of open-source project
For Firefox, Chameleon reduces fingerprinting signals using per-origin deterministic noise across browser fingerprinting surfaces.
9
Also covers open source · same kind of open-source project
uBlock Origin Lite is the Manifest V3 version of the uBlock Origin project, with browser installation links listed on its project page.
10
Also covers open source · same kind of open-source project
The uAssets repository provides filter lists for uBlock Origin and uBlock Origin Lite, with its issue tracker hosted on GitHub.
11
Also covers open source · same kind of open-source project
This curated blocklist identifies sites with AI-generated imagery for use with uBlock Origin or uBlacklist, including search-engine filtering.
12
How To Filter Ads And Block Popups On Iphone And Macos
avieshek.wordpress.com/2024/07/07/how-to-filte…Also covers browser extension
This article explains ways to filter ads and block popups on iPhone and macOS, including options for Safari and Apple's browser environment.
13
JShelter
jshelter.orgAlso covers browser extension
Use JShelter, a browser extension that mitigates JavaScript threats such as fingerprinting, tracking, and data collection.
14
SponsorBlock
sponsor.ajay.appAlso covers browser extension
Skip sponsored segments in YouTube videos with SponsorBlock, a crowdsourced extension and open API.
15
Pi-Hole
pi-hole.netAlso covers browser extension
Block ads across a network with Pi-hole, which filters DNS requests for connected devices.
16
Also covers open source · same kind of open-source project
This repository provides a setup guide for NextDNS, described as a DNS-over-HTTPS proxy with configuration options.
17
Also covers open source · same kind of open-source project
Scam Blocklist provides a HOSTS-format list of domains described as untrustworthy, with nightly updates that remove dead or invalid domains.
18
Also covers open source · same kind of open-source project
AdGuard's Popup Blocker is a userscript that blocks unwanted pop-up and pop-under windows in browsers that support a userscript manager.
19
Also covers open source · same kind of open-source project
This arkenfox GitHub issue asks about Firefox's Enhanced Tracking Protection setting for suspected fingerprinting and its behavior.
20
Also covers open source · same kind of open-source project · free
DNS Speed Test is a browser-based tool for measuring DNS over HTTPS server speeds and comparing results for a location.
21
Also covers open source · same kind of open-source project
HaGeZi publishes DNS blocklists for filtering ads, trackers, malware, and other unwanted domains.
22
Also covers open source · same kind of open-source project
This privacy DNS project lists filtering for ads, ad tracking, and malware, alongside DNSSEC validation and several DNS protocols.
23
Also covers open source · same kind of open-source project
Pi-hole Tray is an unofficial Windows system tray app for monitoring and managing Pi-hole instances from the desktop.
24
Also covers open source · same kind of open-source project
Technitium DNS Server is a DNS server project with source code and repository information hosted on GitHub.
No alternatives match this filter.
Alternatives to similar tools
BehindTheOverlay10 alternativesUserscript24 alternativesHagezi Blocklists24 alternativesHow To Filter Ads And Block Popups On Iphone And Macos16 alternativesLocale Switcher24 alternativesRedundant Extensions24 alternatives
What is the best alternative to uBlock Origin (uBO)?
Based on features, tags and platforms, the closest alternatives to uBlock Origin (uBO) are Locale Switcher, Popup Blocker (strict), and Redundant Extensions.
Is there a free alternative to uBlock Origin (uBO)?
Yes. Do Hspeed Test is free or offer a free plan.
Are there open-source alternatives to uBlock Origin (uBO)?
Yes: Locale Switcher, Popup Blocker (strict), Redundant Extensions, and Bookmarklet.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative