Habr•October 25, 2026•🇷🇺Translated from Russian

Free Ad Blocker for iPhone, Android, and Desktop Uses DNS Parsing Without Libraries and Skips YouTube Influencer Ads From the First Second

A free ad blocker has been launched for iPhone, Android, and desktop computers. The solution centers on a DNS filter implemented without external libraries, a special operating mode for devices already using VPN connections, and a browser extension that skips sponsored content created by YouTube bloggers from the very first second of a video.

The core component parses DNS queries locally to block advertising domains. Because no third-party libraries are used, the filter remains lightweight and reduces the attack surface that could be introduced by additional code dependencies. Users who keep a VPN active can enable a dedicated compatibility mode that prevents the VPN tunnel from interfering with the ad-blocking rules.

The accompanying browser extension targets YouTube videos specifically. It detects and bypasses not only traditional pre-roll advertisements but also segments recorded directly by content creators. The extension begins skipping the moment the video starts, ensuring viewers do not see any promotional material even when the creator places it at the zero-second mark.

After the initial release, several compatibility issues surfaced on different operating systems and browser versions. The developer addressed these problems by refining the DNS parsing logic and updating the extension’s detection rules. The project remains completely free and continues to receive updates focused on stability and broader platform support.

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