If you’re talking about DNS, you can use mullvad:

• “https://adblock.dns.mullvad.net/dns-query” for Ads + Trackers,
• “https://base.dns.mullvad.net/dns-query” for Ads + Trackers + Malware
  • You can see Mullvad’s other DNS options here: https://mullvad.net/en/help/dns-over-https-and-dns-over-tls

If you’re talking about browser extension, use:

• uBlock Origin
• or uBlock Origin Lite if you use Google Chrome.