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There are not ten equally capable, permanently free parental-control extensions for Chrome. The practical shortlist combines genuine filters, local website blockers, freemium services, and two browser/device controls that are often safer than an extension alone. For a supervised Chromebook, start with Google Family Link; for category and YouTube filtering, consider Blocksi; for detailed local schedules, LeechBlock NG is the stronger free choice.
Quick comparison
| Option | Best for | Filtering and controls | Free status | Main limitation |
|---|---|---|---|---|
| Google Family Link | Supervised Chromebooks | Chrome site rules, Incognito restrictions, extension controls | Free service | Requires supervised Google accounts and supported devices |
| Blocksi AI Web Filter | Category and YouTube filtering | Claims 85+ categories, YouTube rules, SafeSearch, keywords, allowlists and schedules | Free extension | Small review sample and 2.3/5 rating at the time checked |
| SafeBrowse Parent Control | Basic adult-content blocking | Adult and unsafe-site rules, image blurring, bad-word rules, custom domains | Free | No verified remote dashboard or strong anti-tampering controls |
| BlockSite | Manual blocklists and schedules | Blocklists, schedules, password protection, daily limits and insights | Free core with upgrades | Primarily a blocker, not a child-account filter |
| LeechBlock NG | Detailed local schedules | Up to 30 site sets, usage limits, lockdown, wildcards, keywords and access codes | Free | No central parent dashboard or continuously updated safety database |
| SiteBlocker | Whitelist mode and local schedules | Schedules, focus sessions, whitelist mode, blocklists and on-device insights | Free tier; Pro is paid | Advanced accountability and keyword features require Pro |
| Qustodio | Cross-device management | Web filtering, alerts and parent dashboard through its companion app | Limited free tier for one device | Chrome extension alone is not the product |
| Mobicip | Multi-device families | Filtering, screen-time limits, history and activity monitoring | Primarily a free trial/freemium funnel | Paid plans are needed for broader coverage |
| Chrome native controls | Account-level browser rules | Family Link site permissions, Incognito and extension-installation controls | Included with supported supervised accounts | Not an installable extension |
| Device or router controls | Protection beyond Chrome | Operating-system, DNS, router or full-suite enforcement | Varies by product | No universal free option is established here |
Which option should you choose?
Best for a supervised Chromebook: Google Family Link
Family Link is not a Chrome extension, but it is usually the better first choice for a child’s supervised Chromebook. Google documents Chrome website filtering, specific-site allow and block rules, site-permission controls, Incognito restrictions, and the ability to allow or block Chrome Web Store extensions. See Google’s Chrome and Web guidance.
Chromebook supervision requires ChromeOS 71 or later according to Google’s documentation. The parent should own the Chromebook, disable Guest mode and control which accounts may sign in: Chromebook supervision requirements. On Windows, macOS and Linux, Google warns that signing out, switching profiles or using another browser can prevent Chrome-specific settings from applying.
Best free category filter: Blocksi AI Web Filter
Blocksi’s listing claims 85-plus web-filter categories, adult-content and malware protection, more than 30 YouTube categories, channel and keyword rules, SafeSearch enforcement, keyword page analysis, custom blacklists and whitelists, application filters and time-based controls. The listing showed version 3.1.2, an April 13, 2026 update, about 2,000 users and a 2.3/5 score from 15 ratings when checked: Chrome Web Store listing. Those small-sample signals are a reason to test it rather than call it universally reliable.
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Best lightweight adult-content filter: SafeBrowse Parent Control
SafeBrowse claims built-in adult and unsafe-site blocking, custom blocked and allowed domains, adult-image blurring on Google Images and risky sites, bad-word filtering, no account requirement and local data handling: listing. Its approximately 100 users and 5.0/5 score from nine ratings are too small to establish long-term reliability. Treat it as a basic local filter, not a managed family platform.
Best established manual blocker: BlockSite
The current BlockSite listing advertises custom blocklists, scheduled blocking, password protection, daily usage limits, browsing insights and Android and iOS apps: current listing. It showed version 7.1.1, a July 26, 2026 update, 1,000,000 users and about 32,300 ratings averaging 4.5/5 when checked. The listing discloses handling web history, so review its permissions before installing. Make sure you select this current listing; a similarly named older listing is at this URL.
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Best configurable free scheduler: LeechBlock NG
LeechBlock NG supports up to 30 site sets, fixed periods, usage limits such as ten minutes per hour, lockdown, passwords or random access codes, delayed access, wildcards, exceptions and keyword rules: listing. The listing showed version 1.7.2, an April 26, 2026 update, approximately 100,000 users and about 1,500 ratings averaging 4.9/5. It states that the developer does not collect or use user data. This is a powerful local blocker, not a child-safety database or remote parent console.
Best for whitelist browsing: SiteBlocker
SiteBlocker’s free tier advertises manual and scheduled blocking, focus timers, whitelist mode, blocklist marketplaces, password-protected lists, screen-time insights, Chrome/Firefox synchronization and on-device storage: listing. The listing showed version 4.3.0, a July 13, 2026 update, approximately 1,000 users and a 4.0/5 score from 16 ratings. Pro features were listed at $2.99 monthly, $24.99 yearly or $49.99 lifetime. Its privacy disclosure lists personally identifiable, payment, authentication, communications and website-content data, so “on-device insights” should not be read as “the extension handles no data.”
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Rank #3
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- 𝐔𝐥𝐭𝐫𝐚-𝐅𝐚𝐬𝐭 𝟐.𝟓 𝐆𝐛𝐩𝐬 𝐖𝐢𝐫𝐞𝐝 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 - 1x 2.5 Gbps WAN/LAN port, 1x 2.5 Gbps LAN port and 3x 1 Gbps LAN ports offer high-speed data transmissions.³ Integrate with a multi-gig modem for gigplus internet.
- 𝐎𝐮𝐫 𝐂𝐲𝐛𝐞𝐫𝐬𝐞𝐜𝐮𝐫𝐢𝐭𝐲 𝐂𝐨𝐦𝐦𝐢𝐭𝐦𝐞𝐧𝐭 - TP-Link is a signatory of the U.S. Cybersecurity and Infrastructure Security Agency’s (CISA) Secure-by-Design pledge. This device is designed, built, and maintained, with advanced security as a core requirement.
Best broader ecosystem with a limited free tier: Qustodio
Qustodio’s Chrome extension is a companion to its parental-control app; parents must install Qustodio on the child’s device or devices: Chrome listing. Qustodio describes web filtering and activity alerts, while its free version protects one device with basic features: plan information. Chromebook support requires Google Play, and Qustodio says it does not support non-Chromebook devices running ChromeOS: supported downloads.
Best for a trial-based multi-device platform: Mobicip
Mobicip’s listing claims internet filtering, objectionable-content blocking, screen-time limits, browsing-history and online-activity monitoring, plus a parent portal or mobile app: listing. The listing showed annual bundles of $49.99 for five devices, $89.99 for ten, $124.99 for 15 and $159.99 for 20. Mobicip’s own site promotes a free trial rather than unlimited free protection: product site and website-blocker features.
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What “free” means in this list
- Free forever: the advertised core works without a subscription, usually with local-only controls.
- Limited free: important restrictions apply, such as Qustodio’s one-device allowance.
- Free trial: the service works temporarily before payment is required, as with Mobicip’s broader offering.
- Free extension, paid platform: the browser component is only one part of a subscription service.
How to install and configure an extension safely
- Open the product’s official Chrome Web Store URL and select Add to Chrome.
- Read the requested permissions, then confirm with Add extension.
- Open Chrome’s Extensions menu and configure categories, domains, schedules, passwords or allowlists.
- Test a blocked site and an approved educational site, then restart Chrome and test again.
- Keep the parent-controlled account separate from the child’s profile and document any approved exceptions.
Family Link path
- Open the Family Link app and select the child.
- Tap Controls, then Google Chrome and Web.
- Open Advanced settings and turn Extensions on or off.
Google documents this workflow at support.google.com. For Chromebook supervision, use the parent-owned account, disable Guest mode and restrict sign-in accounts.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why browser extensions are easy to bypass
- Removing or disabling the extension through Chrome’s extensions page.
- Switching to Edge, Firefox, Safari, another Chrome profile or Guest mode.
- Signing out of a supervised account on computers where Family Link settings do not follow the device.
- Using a VPN, proxy, alternate domain, cached page or embedded content.
- Changing the device clock, resetting the browser or using another phone, computer or console.
No ordinary extension is unbreakable. If a child has administrator access to the operating-system account, local extensions are deterrents rather than firm enforcement. Device ownership, supervised accounts and restricted sign-in matter more than any single extension.
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- 𝐂𝐨𝐯𝐞𝐫𝐚𝐠𝐞 𝐟𝐨𝐫 𝐄𝐯𝐞𝐫𝐲 𝐂𝐨𝐫𝐧𝐞𝐫 - Covers up to 2,000 sq. ft. for up to 60 devices at a time. 4 internal antennas and beamforming technology focus Wi-Fi signals toward hard-to-reach areas. Seamlessly connect phones, TVs, and gaming consoles.
Filtering, schedules and YouTube: important differences
A category database can identify adult content, violence, gambling, drugs, malware or phishing without a parent entering every domain. A manual blocker generally cannot. Keyword and AI systems can also create false positives involving sex education, health information, news, LGBTQ+ resources or school material, so keep an allowlist and a parent-approval process.
YouTube deserves separate testing. Blocking youtube.com does not necessarily filter individual videos, Shorts, channels, comments, searches or embedded players. Blocksi is the option in this list that explicitly advertises YouTube categories, channels and keywords.
Schedules also differ: fixed windows, bedtime rules, per-site limits, total browser limits, “minutes per hour,” temporary pauses and lockdown are not interchangeable. Confirm whether a rule survives a browser restart and whether it applies to every child profile.
Privacy checks before installation
- Read the Chrome Web Store privacy disclosure and requested permissions.
- Check whether browsing history, page content, search queries, account identifiers or activity reports leave the device.
- Look for a named developer, current update history, privacy policy and deletion controls.
- Do not infer privacy from popularity: BlockSite discloses web-history handling, while LeechBlock NG says it does not collect or use user data.
- Remember that SiteBlocker’s disclosure lists several sensitive data categories despite its on-device-data claims.
The Federal Trade Commission’s report on parental-control software documents security and privacy risks in this category: FTC report.
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- Supervised Chromebook: use Family Link first; add a narrowly scoped extension only if a missing filter requires it.
- Younger child needing category filtering: test Blocksi or SafeBrowse, with allowlists for legitimate health and school resources.
- Teen needing schedules: choose LeechBlock NG, BlockSite or SiteBlocker according to the required schedule and privacy trade-off.
- Several devices and remote reports: evaluate Qustodio or Mobicip rather than stacking Chrome extensions.
- Privacy-first family: prefer account and device controls, minimize permissions and favor local-only rules where practical.
- Mixed browsers, phones, apps and consoles: use operating-system, DNS, router or full parental-control coverage; Chrome alone cannot enforce those devices.
Bottom line
For most families, “ten free extensions” is the wrong target. Use Google Family Link for a supervised Chromebook, Blocksi when category and YouTube rules matter, LeechBlock NG for sophisticated local schedules, and BlockSite for straightforward manual blocking. Choose Qustodio or Mobicip only when cross-device management justifies their free-tier limits or subscription model, and treat every browser extension as one layer—not a bypass-proof safety system.
Quick Recap
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