Best Chrome Extension to Block Social Media (2026)
The best Chrome extension to block social media is the one that's actually free, doesn't cap how many sites you can add, and doesn't make you create an account first. By that standard Focuh leads, with LeechBlock NG close behind for people who want granular control. The honest catch with any of them: a Chrome extension only blocks Chrome, so if your real problem is switching to Safari or grabbing your phone, an extension alone won't fix it.
This guide compares the social media blockers worth installing in 2026 — what's genuinely free, what caps you, and where a browser extension stops being enough.
What makes a good social media blocker for Chrome?
Blocking social media is a slightly different job than blocking one site. You're not adding youtube.com and calling it done — you're trying to wall off a whole category: Instagram, X, Reddit, TikTok, Facebook, Threads, and usually a few more. That puts pressure on three things most "free" extensions quietly fail at.
First, the site cap. If an extension limits you to three blocked sites, you've spent your budget before you've added TikTok. Second, the account requirement — handing your email and browsing habits to a blocker is a strange trade for a tool meant to protect your attention. Third, where your data goes: a blocker that syncs your blocklist to a server is collecting exactly the list of things you're trying to hide from yourself.
The best social media blocker checks all three: unlimited sites, no account, nothing leaves your device.
Best Chrome extensions to block social media, compared
| Extension | Truly free? | Site limit | Account | Tracking | Best for |
|---|---|---|---|---|---|
| Focuh | Yes | Unlimited | None | None | Blocking all social media in one long challenge |
| LeechBlock NG | Yes | Unlimited (30 blocksets) | None | None | Per-platform schedules and regex rules |
| StayFocusd | Yes | Unlimited | None | Owned by Sensor Tower | Daily time budgets for social sites |
| Strict Workflow | Yes | Unlimited | None | None | Pomodoro plus social blocking |
| BlockSite | No (trial) | 3 sites | Required | Yes | Blocking two or three sites, then paying |
The column that matters most for social media is the site limit. A three-site cap is fine for blocking your single worst habit, but social media isn't one site — it's six or seven. If you want to block the whole category in one list, you need an extension that doesn't make you ration.
Why Focuh works well for blocking social media
Focuh is a free Chrome extension built around one idea: commit to a focus challenge of a set length and keep distracting sites blocked for the whole run, not just during a 25-minute timer. You add every social domain you want gone — instagram.com, x.com, reddit.com, tiktok.com, facebook.com, threads.net — to a single blocklist and pick a challenge of 30, 91, or 180 days, or a custom length.
There's no account, no email, no upsell, and no cap on how many domains you add. Your blocklist and the daily attempt counter live in local Chrome storage and never leave the device. That last part matters more for social blocking than anything, because the list of feeds you're trying to quit is sensitive by nature.
The model is deliberate. Daily-budget blockers give you, say, 20 minutes of Instagram a day — which for a lot of people is just permission to start scrolling. A long continuous challenge removes the negotiation. The site is blocked; there's nothing to budget.
For the full lineup of free Chrome blockers beyond social media, see the best free website blocker for Chrome in 2026. And if you want the step-by-step for one category, how to block social media on Chrome for free walks through the exact domains.
When does LeechBlock NG make more sense?
LeechBlock NG is the better pick if you want different rules for different platforms. It gives you up to 30 independent "blocksets," each with its own list, schedule, and time limit. You could block Reddit and X around the clock, allow Instagram for 15 minutes at lunch, and lock Facebook only during work hours — all in one free, open-source extension.
The trade is complexity. LeechBlock NG's options page is dense with dropdowns and nested settings, and configuring six social platforms with different schedules takes real time. If you enjoy tuning software, you'll appreciate the control. If you want to block everything and start working, the setup will feel like a chore.
What about StayFocusd and BlockSite?
StayFocusd is the veteran, free since 2010, built around daily time budgets — give yourself 30 minutes across all social sites and they lock for the rest of the day once it's spent. It still works, but it's been acquired by Sensor Tower, an ad-intelligence company, and is no longer actively developed. For a tool you trust with your browsing habits, that ownership is worth weighing. See Focuh vs StayFocusd for the full comparison.
BlockSite is one of the most-installed blockers in the world and is genuinely well-designed, but its free tier caps you at three sites and requires an account. For social media specifically, three sites is the wrong limit — you'll hit it immediately and face the upgrade prompt. If the cap fits your needs, it's a solid tool; if it doesn't, you'll either pay or look elsewhere.
The honest limit: a Chrome extension only blocks Chrome
Here's the sentence every social media blocker review should include and most skip: a Chrome extension governs Chrome and nothing else.
If your scrolling lives in Chrome tabs, that's complete — install, block, work. But social media is sticky precisely because there are so many doors. You close the blocked Chrome tab and open Instagram in Safari. You quit the browser and check the native Slack or Messenger app. You pick up your phone. An extension can't touch any of that.
That's where OS-level blocking comes in. The free Focuh desktop app for Mac blocks social sites at the operating-system level during a focus session, so Instagram and X are unreachable in Chrome, Safari, Firefox, and Arc simultaneously — and it can block native desktop apps too, which no extension can. It uses macOS Accessibility APIs rather than living in chrome://extensions, so it's harder to switch off mid-session. The full breakdown is in system-level vs browser website blocking.
Which one should you install?
If your social media habit lives in Chrome and you want it gone with no signup and no cap, install Focuh — add every social domain to one blocklist and start a 30-day challenge. If you want per-platform schedules and don't mind the setup, choose LeechBlock NG. If you only need to block two or three sites and don't mind an account, BlockSite's free tier covers it.
And if you've ever escaped a Chrome block by opening another browser, stop fighting the wrong battle. Run the free Chrome extension for your browser and the free Mac app for the rest of your system — both cost nothing, so you can use them together. One blocks the tab; the other blocks everywhere the tab leads.