privacybadger.org

Privacy Badger can break YouTube playback because it sometimes learns to block domains that YouTube needs to deliver video, not just to serve ads. The usual fix is to open the Privacy Badger menu on youtube.com, find the blocked domain that is breaking playback, and move its slider back to yellow or green. If that doesn't restore video, disable Privacy Badger for youtube.com entirely, or report the bug to EFF.

This applies to the standard desktop and Android browser extensions listed on privacybadger.org (Chrome, Firefox, Firefox for Android, Edge, Edge for Android, Opera, and Brave). It does not apply to browsers the site lists as unsupported.

Why YouTube playback breaks

Privacy Badger is made by EFF and works by watching third-party domains across the sites you visit. When the same domain appears to be tracking you on multiple sites, Privacy Badger moves its slider toward red and blocks it. That behavior is automatic and based on observed tracking, not on a fixed list of "bad" domains.

YouTube is a special case because the same third-party domains can be involved in both advertising and video delivery. A domain that looks like a tracker on other sites may also be needed for the player to fetch and play the video. When Privacy Badger blocks it, the page may load but the video stalls, shows a spinner, or fails outright.

Two related questions in the Privacy Badger FAQ point at the same area:

• "Why aren't videos loading on YouTube?"
• "Why isn't Privacy Badger blocking ads on YouTube?"

They exist together because YouTube is hard to handle cleanly: blocking too much breaks playback, and blocking too little lets ads through.

Fix it in the Privacy Badger menu

1. Open YouTube and start the video that fails.
2. Click the Privacy Badger icon in your browser toolbar.
3. Look at the list of domains for the current page and find any set to red (blocked).
4. Move the slider for the suspect domain to yellow (cookie blocking only) or green (allowed).
5. Reload the page and try the video again.

If you are not sure which domain is responsible, move blocked domains back one at a time and reload after each change. The domain that restores playback is the one to leave at yellow or green.

If that doesn't work

• Disable Privacy Badger for youtube.com. Use the option in the Privacy Badger menu to turn it off for that site only, then reload. This keeps protection on everywhere else.
• Check for conflicts. Privacy Badger is designed to work alongside other extensions, including adblockers, but combinations can still produce playback failures. Temporarily disabling other extensions on YouTube is a quick way to tell whether Privacy Badger is actually the cause.
• Confirm your browser is supported. If privacybadger.org shows "Browser Not Supported" for your browser, install one of the supported builds or use the alternative installation options listed on the site.

What the slider colors mean

For YouTube playback problems, yellow is often the practical middle ground: it stops cookie-based tracking while still letting the domain load what the player needs.

Reporting a bug

If a video still won't load after you have allowed the relevant domains and disabled Privacy Badger for youtube.com, it may be a bug rather than a setting. The Privacy Badger FAQ includes a "I found a bug! What do I do now?" entry, which is the right starting point for reporting it to EFF.

A note on YouTube ads

Fixing playback and blocking YouTube ads are not the same goal. Privacy Badger's FAQ addresses why it doesn't block all ads on YouTube, so if your aim is ad-free playback rather than working playback, expect Privacy Badger alone to be an incomplete answer.

Privacy Badger is a free browser extension made by the Electronic Frontier Foundation (EFF), a digital rights nonprofit. It automatically stops companies from tracking your browsing across websites. You install it in your browser, and it learns which third-party domains appear to be tracking you, then blocks them. It is not an ad blocker by design, though blocking trackers often removes ads as a side effect.

What Privacy Badger actually does

Privacy Badger watches the third-party domains that load as you browse. When the same domain shows up across many unrelated sites, that pattern suggests it is tracking you rather than serving a specific site's content. Privacy Badger blocks those domains automatically, without relying on a fixed blocklist that you have to maintain.

This is the core difference from most ad blockers. Traditional blockers ship with curated lists of known ad and tracker domains. Privacy Badger instead observes behavior and adapts, so it can catch trackers that a static list might miss.

How it differs from other blocking extensions

Because Privacy Badger targets tracking rather than advertising, it does not block every ad. Ads served directly by a site you visit, without a third-party tracker, may still appear. That is intentional: the goal is privacy, not a fully ad-free page.

Key features worth knowing

• Social media widget handling. Embedded social widgets can report your visit back to the platform. Privacy Badger can block that tracking behavior.
• Global Privacy Control (GPC). Privacy Badger sends the GPC signal, which tells sites you do not want your data sold or shared, where the law requires them to honor it.
• Fingerprinting protection. It takes steps to reduce the ability of sites to identify you by the unique characteristics of your browser.
• Slider controls. The menu shows red, yellow, and green sliders per domain. Red means blocked, yellow means blocked cookies only, and green means allowed. You can adjust these yourself.

Supported browsers

Privacy Badger is available for Chrome, Firefox (including Firefox for Android), Edge (including Edge for Android), Opera, and Brave. The site notes that some browsers are not supported and shows a "Browser Not Supported" message when you visit with one. If your browser is not listed, alternative installation options are provided.

Who makes it and why that matters

Privacy Badger is built by the EFF, an organization focused on digital civil liberties. It is free to use and funded by donations rather than by selling data or showing ads. That matters because a privacy tool's business model affects whose interests it serves.

When Privacy Badger is a good fit

Choose Privacy Badger if you want automatic, low-maintenance protection against cross-site tracking and you are comfortable with a tool that learns rather than follows a fixed list. It pairs well with other extensions, including ad blockers, and with Firefox's built-in privacy protections.

Consider a different approach if your main goal is aggressively blocking all advertising, or if you need fine-grained, list-based control over exactly what loads. In those cases a dedicated ad blocker or a filter-list manager may suit you better. Many people run both.

Getting started

1. Open privacybadger.org in a supported browser.
2. Click the install button for your browser (for example, "Add to Chrome" or "Add to Firefox").
3. Confirm the installation when your browser prompts you.
4. Browse normally. Privacy Badger begins learning which third parties track you and blocks them automatically.
5. Click the Privacy Badger icon to review the sliders and adjust any domain you want to allow or block.

After installation, you should see the extension icon in your toolbar. If a site breaks, check the sliders for that site and move a blocked domain to yellow or green to allow it.

Privacy Badger is a free browser extension made by the Electronic Frontier Foundation (EFF) that stops companies from spying on you online. You install it from the official site, privacybadger.org, by choosing your browser and confirming the install prompt. If you later want it gone, you remove it the same way you remove any other extension in that browser. The steps below cover supported browsers, alternative installation, uninstalling, and where to get help.

Which browsers are supported

Privacy Badger offers direct install buttons for these browsers:

• Chrome
• Firefox
• Firefox for Android
• Edge
• Edge for Android
• Opera
• Brave

If you open privacybadger.org in a browser that isn't supported, the page shows "Browser Not Supported" along with a link for more info. For anything outside the list above, use the "Other browsers" alternative installation options rather than expecting a one-click button.

Installing Privacy Badger

1. Go to privacybadger.org in a supported browser.
2. Find the install button for your browser (for example, "Add to Chrome" or "Add to Firefox").
3. Click it. Your browser opens its standard extension-install confirmation.
4. Approve the install. The extension is now active.

The expected result is the Privacy Badger icon appearing in your browser's toolbar, from which you can open its menu and see the red, yellow, and green sliders that indicate how it treats each domain.

Alternative installation options

If your browser isn't in the supported list, or you prefer not to install from the site's buttons, the page links to "Alternative installation options." Use those when a direct button isn't available for your setup.

Note on permissions

Privacy Badger asks for access to your data for all websites. This is central to how it works: it needs to observe third-party trackers across the sites you visit in order to learn which ones to block. If you're not comfortable granting that access, the extension can't do its job.

Uninstalling Privacy Badger

Privacy Badger is removed through your browser's own extension settings, not from the Privacy Badger site. The general steps:

1. Open your browser's extensions or add-ons page (usually under Settings or a menu like "Extensions" / "Add-ons and themes").
2. Find Privacy Badger in the list.
3. Choose Remove or Uninstall and confirm.

The expected result is that the Privacy Badger icon disappears from your toolbar and it no longer processes your browsing. The exact menu labels differ by browser, so follow your browser's extension-management flow rather than a fixed path.

If something goes wrong

The Privacy Badger site's FAQ includes a Troubleshooting section with these entry points:

• "I need help!" — general support.
• "I found a bug! What do I do now?" — for reporting problems.
• "Why aren't videos loading on YouTube?" and "Why isn't Privacy Badger blocking ads on YouTube?" — common site-specific issues.
• "How do I uninstall/remove Privacy Badger?" — the official removal guidance.

If you run a domain that uses cookies or other tracking and Privacy Badger is blocking you, the FAQ also covers how to stop that blocking.

Quick reference

Privacy Badger is described on its site as free, and it's made by EFF, a digital rights nonprofit. For version-specific changes, the site also publishes release notes (for example, release notes for v2026.9.15).

Privacy Badger is a free browser extension from the Electronic Frontier Foundation (EFF) that blocks tracking based on observed behavior rather than a fixed blocklist. That single design choice is what separates it from most ad blockers and privacy extensions: instead of downloading a list of "bad" domains and blocking everything on it, Privacy Badger watches how third parties behave on the pages you visit and blocks the ones that appear to be tracking you across sites. If you want a set-and-forget blocker that adapts automatically, it fits that job. If you want maximum control over exactly what loads, or you need to block ads on a specific site like YouTube, a list-based blocker may suit you better.

The core difference: behavior vs. blocklists

Most blocking extensions ship with curated filter lists (EasyList, EasyPrivacy, and similar). Those lists are maintained by communities, updated regularly, and applied the same way for every user. A domain is either on the list or it isn't.

Privacy Badger works differently. According to the EFF, it does not rely on a preset list of blocked sites. Instead it observes third-party domains across the sites you browse and looks for tracking behavior. When a domain appears to be tracking you across multiple sites, Privacy Badger blocks it automatically. The result is a blocklist that is personal to your browsing rather than global.

What the sliders mean

Privacy Badger's menu uses red, yellow, and green sliders to show what it has learned about each domain:

• Red — the domain is blocked.
• Yellow — the domain is allowed, but its cookies are blocked (this is how Privacy Badger handles domains that are useful for content but also track).
• Green — the domain is allowed with no restrictions.

You can move a slider yourself if you disagree with the automatic decision, which is the main manual control the extension gives you.

How it treats ads

Privacy Badger blocks ads, but not because it set out to be an ad blocker. It blocks them when the ad networks behind them are also tracking you, so many ads disappear as a side effect. The EFF is explicit that Privacy Badger does not block all ads — ads that don't track you can still appear. This is a meaningful difference from ad blockers whose primary goal is removing advertising, and it explains a common complaint covered in the FAQ: why Privacy Badger isn't blocking ads on YouTube. If ad removal on a specific site is your goal, a dedicated ad blocker is the more direct tool.

Fingerprinting and Global Privacy Control

Beyond tracker blocking, Privacy Badger includes anti-fingerprinting measures and supports Global Privacy Control (GPC), a signal that tells sites not to sell or share your data. List-based blockers may or may not include these; it depends on the extension.

Compatibility with other extensions

Privacy Badger is designed to work alongside other extensions, including ad blockers. Because it makes its own behavioral decisions rather than deferring to a shared list, running it next to a filter-list blocker is a common setup: the ad blocker handles known ad and tracker domains, and Privacy Badger catches tracking that the lists miss. It is also built to coexist with Firefox's built-in privacy protections.

When to choose which

• Choose Privacy Badger if you want automatic, behavior-based tracker blocking with minimal configuration, and you value catching trackers that static lists haven't caught yet.
• Choose a list-based ad blocker if your priority is aggressive ad removal, including on sites like YouTube, or if you want predictable, community-audited blocking rules.
• Run both if you want broad ad blocking plus a behavioral layer that adapts to what actually tracks you.

Practical notes

Privacy Badger is available for Chrome, Firefox (including Firefox for Android), Edge (including Edge for Android), Opera, and Brave, with alternative installation options for other browsers. It is made by the EFF, a digital rights nonprofit, and its source code is published, so the behavior described here can be verified rather than taken on faith. If you run a site and Privacy Badger is blocking you, the FAQ includes a process for getting off its blocklist.

Privacy Badger is a free browser extension made by the Electronic Frontier Foundation (EFF) that stops companies from spying on you online. It works differently from most ad blockers: instead of relying on a fixed list of known bad domains, it watches how third parties behave as you browse and blocks the ones that appear to be tracking you across sites. You install it, and it largely configures itself — no blocklists to maintain and no manual rules required for it to start working.

The core mechanism: behavior, not blocklists

Most blocking extensions ship with a list of domains to block. Privacy Badger instead learns from observed behavior. As you browse, it watches third-party domains that your browser contacts and looks for signs that a given third party is tracking you across multiple, unrelated sites. When a domain appears to be tracking you, Privacy Badger blocks it.

This is why the extension can catch trackers that a static list might miss, and why its behavior can differ from one user to another — what gets blocked depends on what your browser actually encounters.

What counts as a third-party tracker

A third party is a domain that isn't the site you deliberately visited. If you go to example.com and your browser also loads resources from tracker.net, then tracker.net is a third party. Privacy Badger focuses on these third parties and asks whether they appear to be tracking you across the sites you visit.

What about tracking by the site you actually visit

Privacy Badger is built around third-party tracking. It does not treat the site you actively visit — for example, a news site or a social network you navigated to on purpose — the same way it treats an unrelated third party, because that first party already knows you're there. The extension's job is to limit other companies from following you around, not to block the site you chose to open.

The red, yellow, and green sliders

Privacy Badger's menu shows a slider for each third-party domain it has seen. The color tells you what the extension currently thinks about that domain:

The yellow state is a middle ground: rather than breaking a site by blocking a domain outright, Privacy Badger blocks the cookies that domain tries to set while still letting its content load. You can move any slider yourself if you want to allow or block a specific domain, but you don't have to — the extension adjusts these automatically as it learns.

Does it need manual configuration?

For everyday use, no. Privacy Badger starts learning as soon as it's installed and blocks trackers on its own. The main reasons you'd touch the settings are:

• A site breaks. If blocking a domain stops a page from working, you can move that domain's slider to green to allow it.
• You want to see what's happening. The menu shows every third party and its current state, so you can review and override decisions.
• You run a site that gets blocked. The FAQ includes guidance for domain owners who want to stop Privacy Badger from blocking them.

Related capabilities

Beyond the slider-based blocking, Privacy Badger also handles a few specific cases:

• Social media widgets. It can replace embedded social widgets with a placeholder so the social network doesn't see you until you choose to interact.
• Global Privacy Control (GPC). It can send a GPC signal telling sites not to sell or share your data.
• Fingerprinting. It takes steps to reduce fingerprinting, the practice of identifying you by the unique characteristics of your browser.

Getting it

Privacy Badger is available for Chrome, Firefox (including Firefox for Android), Edge (including Edge for Android), Opera, and Brave. If your browser isn't listed, the site notes that it isn't supported there and points to alternative installation options. The extension is made by EFF, a digital rights nonprofit, and its source code is available.