Filter adult sites for every device on your Wi-Fi (free)

Change two numbers in your router so every phone, tablet and console at home skips adult and scam sites.

⏱ About 15 minutes · 4 steps · ▶ 1:34 video
What you'll need
  • Your router's app or admin page login
  • About 15 minutes

  1. Check your router's app first

    Many routers and mesh systems have a parental controls or family section in their app. If yours does, use it: it may let you set filters and bedtimes per child.

  2. Or use a free family filter

    Free "family" DNS services block adult sites for every device on your Wi-Fi. Pick one:

    • Cloudflare 1.1.1.1 for Families: 1.1.1.3 and 1.0.0.3 (blocks malware and adult content)
    • OpenDNS FamilyShield: 208.67.222.123 and 208.67.220.123

  3. Enter the numbers in your router

    Sign in to your router's app or admin page, find the DNS setting (often under Internet, WAN or Advanced), and replace the DNS servers with the two numbers you picked. Save, then restart the router.

    ⚠️ Careful: Only change the DNS setting. If you're not sure what something does, leave it alone or ask your internet provider.

  4. Test that it works

    Cloudflare offers a test page: on a home device, open nudity.testcategory.com. If the filter is on, the page won't load.

    💡 Tip: A filter only works on your home Wi-Fi. Kids' phones on cellular data, or using a VPN, skip it, so keep parental controls on their phones too.
🎉 All done!

Also see Set up guest Wi-Fi and parental controls on your child's phone. Menu names change as apps update. These steps were checked against official help pages in October 2026.

Related game: Safe or Risky?. Related explainer: Router vs. modem vs. mesh: what does each one do? .

Official help pages

Steps checked against these pages in October 2026. If a button looks different, look for a similar label.