Why you'd want to block YouTube channels
YouTube's recommendation algorithm is designed to keep you watching — not to help you watch better. The result is a feed that fills up with content you never asked for: propaganda from state-sponsored channels, AI-generated videos with zero original value, elsagate-style content that looks child-friendly until it isn't, and scam gurus promising passive income in the thumbnail.
There are three main reasons people want to block specific channels permanently:
- Propaganda and disinformation. Especially relevant for Ukrainian and Eastern European viewers, where Russian state media and its proxies actively push narratives into recommendation feeds. Blocking one channel doesn't stop the algorithm from surfacing the next one.
- AI-generated content farms. Thousands of channels now publish faceless videos using text-to-speech narration and AI visuals. They drown out real creators in search results and flood the homepage. Once you see through the pattern, you want them gone.
- Child safety. Kids use YouTube, and the built-in parental controls are either too aggressive (Restricted Mode blocks legitimate educational content) or too limited (YouTube Kids has a narrow content library). Parents need category-level filtering, not a binary on/off switch.
The frustrating part: YouTube gives you very little control. Let's go through each option available in 2026.
Method 1: YouTube's built-in "Don't recommend channel"
YouTube has a built-in signal you can send: click the three dots next to a video and select "Don't recommend channel." This tells YouTube's algorithm to show you less of this content.
How it works
YouTube treats this as a weak negative signal. It reduces the frequency of that channel in your feed — it doesn't eliminate it. The channel can still appear in search results, related videos, and on the channel's own page.
The problem
It forgets. After a few weeks, YouTube gradually reintroduces channels you dismissed. More importantly, it only works when you're logged in, only on the device where you're logged in, and only on the YouTube website — not embedded players. You also have to click individually on each video you want to dismiss.
Verdict: Good for one-off dismissals of content you mildly dislike. Completely ineffective for systematic filtering.
Method 2: Manual blocking
YouTube also has a real "Block" feature — but it's buried. To block a channel from commenting on your videos or contacting you, you visit the channel page, click the flag icon, and select "Block user." This is designed for harassment protection, not content filtering.
The limitation
Blocking a channel does not remove their videos from your feed or search results. It only prevents that account from interacting with your channel. This is a feature for creators, not viewers.
Verdict: Useless for content filtering. Solves a different problem entirely.
Method 3: Browser extensions
For years, the go-to approach for power users was browser extensions that directly manipulate the YouTube DOM and hide content from channels on a blocklist.
BlockTube (discontinued)
BlockTube was the most popular option — it let you block channels by ID, handle, or keyword regex. At its peak it worked well. The problem: it hasn't been meaningfully updated since 2024. It has 438 open GitHub issues. More critically, it's built on Manifest V2, which Chrome is actively retiring. MV2 extensions will stop working in late 2025 and are already disabled in Chrome's stable channel in 2026. BlockTube is effectively dead for most users.
Unhook
Unhook takes a different approach — instead of blocking specific channels, it hides YouTube's recommendation UI entirely. No sidebar recommendations, no homepage feed, no end screens. This works if you use YouTube like a search engine (you know what you want to watch), but it's useless if you still want a recommendation feed, just a filtered one.
Verdict: Extensions are the right category of solution, but the existing options are either dead or too blunt.
Method 4: Blokari — curated lists for 2026
Blokari is a Manifest V3 Chrome extension built specifically for systematic content filtering. Unlike BlockTube which required you to build your own blocklist one channel at a time, Blokari ships with curated lists of 10,000+ channels organized into 14 categories.
How it works
You install the extension and choose which categories to enable. Blokari then hides matching channels across your YouTube feed, search results, subscriptions, and related videos. The lists are updated regularly. You can also add custom channels and create a personal whitelist of channels you always want to see.
Step-by-step: getting started
Blokari is free for all core features including the full blocking database and parental controls. The Pro plan at $3/month adds daily list sync and recommendation algorithm training.
Comparison table
| Feature | Blokari | BlockTube | Unhook | YouTube built-in |
|---|---|---|---|---|
| Works in 2026 (MV3) | Yes | No (MV2) | Yes | Yes |
| Curated channel lists | 10,000+ channels | Manual only | None | None |
| Category-based filtering | 14 categories | No | No | No |
| Hides from recommendations | Yes | Yes | Hides all | Weakly |
| Hides from search results | Yes | Yes | No | No |
| Parental controls | Free | No | No | Restricted Mode only |
| 3 filtering modes | Flag / Block / Hide all | Hide only | Hide all only | No |
| Permanently blocks | Yes | Yes | Not channel-specific | Temporary signal |
| Free | Yes | Yes | Yes (limited) | Yes |
FAQ
Does blocking YouTube channels work on mobile?
No. Browser extensions — including Blokari — only work in desktop browsers (Chrome, Edge, Brave). On mobile, YouTube runs as a native app and extensions have no access. For mobile, your best option is YouTube's built-in "Don't recommend channel" feature, or switch to YouTube Kids for children. For desktop, Blokari provides much more reliable blocking.
Will blocked channels know they've been blocked?
No. Blokari hides content locally in your browser — it's invisible to YouTube's servers and to the channels you block. There's no notification sent. The channels will still see your account in their analytics if you visit their pages directly.
Can I still watch a channel I've blocked if I want to?
Yes. Blokari uses a "Flag" mode (blur with a badge) for categories where you want awareness without full hiding. Even in "Block all" mode, you can navigate directly to a channel's page and watch their videos. Blokari hides them from feeds and search, not from direct URL access.
Does Blokari block channels on mobile YouTube?
Not currently. Blokari works in Chrome, Edge, and Brave on desktop. Mobile support is on the roadmap. For mobile, use YouTube's native parental controls or Restricted Mode as a partial workaround.
How many channels can I block?
The free plan supports up to 1,000 custom rules in addition to the shared curated database. The Pro plan offers unlimited custom rules.
What happened to BlockTube?
BlockTube is a Manifest V2 extension. Google deprecated MV2 and is removing support throughout 2025-2026. The BlockTube maintainer has not updated the extension to MV3, has 438 open issues, and the extension no longer installs or works properly in Chrome Stable as of 2026. See our full guide to BlockTube alternatives.