Alpaca is a local DNS filtering app that blocks ads, trackers, and malware using community-maintained blocklists. Your privacy is protected with no cloud dependency.
Block ads, trackers, and malware domains
3.8M+ blocked domains across 28 categories
Instant category toggles (no restart needed)
Background updates every 6 hours
Trusted network auto-pause feature
No data collection or analytics
Important: After installation, you will need to approve the System Extension:
- Open System Settings → General → Login Items & Extensions
- Click the "Network Extensions" section
- Enable the Alpaca Extension
This one-time approval allows Alpaca to filter DNS traffic system-wide.