Tool
2025DNS Shield
Router-level ad-blocking rule generator
Generates ad-blocking rules in hosts / dnsmasq / AdGuard formats for home networks, with custom blacklists and whitelists — local-first and privacy-safe.
Million-scale dedup
180ms
Efficient hash-set batch processing
Rule formats
5 种
Covers mainstream DNS software
Home gateway traffic saved
~ 28%
Blocks useless background tracking requests
Illustrative · not real assets
Tech Stack
Next.jsReactTypeScriptTailwind CSS
Background & Evolution
To protect home LANs and IoT devices from trackers and malicious ads, we provide a transparent, flexible suite of filter-rule maintenance that exports to multiple formats.
Key Highlights
1
Intelligent rule de-duplication with real-time syntax validity pre-check2
One-click export compatible with dnsmasq, AdGuard Home, and common router firmware3
Supports subscribing to external threat-intel sources with automatic diff mergingArchitecture & Topology
Next.js static precompilation + a Web Worker high-performance massive-domain hash de-duplication engine — processing millions of domains without UI freezes.
About This Project
Generates ad-blocking rules in hosts / dnsmasq / AdGuard formats for home networks, with custom blacklists and whitelists — local-first and privacy-safe.