Zen Ad Blocker

Spec sheet

Free plan

YesRead 20 Sep 2026 · irbis.sh

Privacy

The maker says Zen does not collect browsing data or send it to servers; its privacy policy says local debug logs have hostnames redacted and can be deleted.Read 7 Oct 2026 · irbis.sh

Support

Users can get help from maintainers and other users on Discord and report bugs or suggest features on GitHub.Read 7 Oct 2026 · irbis.sh

Browser and app compatibility

Zen works with major browsers including Chrome, Firefox, Safari, Edge, Opera, and Brave, plus desktop apps that use system proxy settings.Read 7 Oct 2026 · irbis.sh

Browser support

major-browsersRead 20 Sep 2026 · irbis.sh

Compatibility limits

Apps with custom networking or certificate pinning may bypass filtering or need to be excluded in Zen’s settings.Read 7 Oct 2026 · irbis.sh

Cookie popup blocking

YesRead 20 Sep 2026 · irbis.sh

Custom filter lists

YesRead 20 Sep 2026 · irbis.sh

Device coverage

desktopRead 20 Sep 2026 · irbis.sh

Filter lists

Zen includes built-in ad, tracker, and malware lists, including 35 regional lists, and supports adding lists or custom rules.Read 7 Oct 2026 · irbis.sh

Filtering method

Zen runs a local proxy, checks requests against filter lists, and filters HTTP(S) traffic on the device.Read 7 Oct 2026 · irbis.sh

HTTPS certificate

Zen generates its local root certificate and private key on the device, and the certificate can be removed in settings.Read 7 Oct 2026 · irbis.sh

Real-time visibility

Zen shows blocked ads, trackers, and background requests, including where each came from and why it was stopped.Read 7 Oct 2026 · irbis.sh

Security reporting

The security policy says only the latest app version is actively supported and asks users to report vulnerabilities privately by email.Read 7 Oct 2026 · github.com

System-wide filtering

Zen blocks ads, trackers, and malware across browsers and desktop apps.Read 7 Oct 2026 · irbis.sh

Third-party services

Zen uses Cloudflare to serve update manifests, GitHub for source code, downloads and updates, and public filter-list providers for filtering rules.Read 7 Oct 2026 · irbis.sh

Update security

The maker says builds are reproducible and attested, while a verifiable cryptographically signed update system is still in progress.Read 7 Oct 2026 · irbis.sh

VPN support

Zen works with any VPN on Windows and Linux and most VPNs on macOS.Read 7 Oct 2026 · irbis.sh

Plans and prices

Every Zen Ad Blocker plan and price →

Where Specifiction places it

• Ad blockers#20 of 488.2