Zen Ad Blocker
Zen Ad Blocker: A free, open-source desktop blocker for browser and application traffic. Ranked #14 of 49 in Ad Blockers by our editors (7.8/10); pricing: Free plan; best for desktop users needing app-level proxy control.
At a glance
- Editor score7.8 / 10
- PricingFree plan
- Best forDesktop users needing app-level proxy control
- Free planYes
- Paid fromFree
- Device coverageDesktop
- Facts checked20 Sep 2026
Where it wins
- Filters browser and desktop-application traffic system-wide
- Supports custom hosts files and EasyList-style filters
- Shows real-time request history and blocked-request inspection
Where it doesn't
- Coverage is limited to Windows, macOS, and Linux desktops
- HTTPS filtering uses a locally generated root certificate
- No verified element-picker is included in the feature set
Our verdict on Zen Ad Blocker
Zen Ad Blocker is a free, open-source privacy tool for individual desktop users who want protection beyond a single browser extension. It runs as a local proxy on Windows, macOS, and Linux, filtering HTTP(S) traffic across supported browsers and desktop applications. Zen can block advertisements, tracking scripts, malware, and other unwanted content, with preconfigured ad, tracking, malware, and regional filter lists. It also supports cookie-pop-up blocking, custom hosts files, and EasyList-style filters.
Its strongest differentiator is app-level control. Zen provides system-wide filtering rather than limiting protection to one browser, while app routing and per-application proxy selection give users control over which desktop applications pass through the proxy. Real-time request history and blocked-request inspection add visibility into filtering decisions. HTTPS filtering is supported through a locally generated root certificate, which gives Zen broader traffic inspection but adds a technical certificate-handling consideration for setup and maintenance.
Zen is a focused desktop product rather than a broad, device-spanning blocker. Windows, macOS, and Linux are supported, but its device coverage does not extend to mobile platforms. Users who want browser-and-application filtering on a desktop, custom list support, and request-level visibility should find its scope well aligned. Users who primarily want page-level controls, including a verified element-picker, or need mobile coverage should choose a different type of ad blocker. According to the vendor’s pricing information, Zen is free and will remain free, with the Free plan including system-wide ad blocking, open-source access, and desktop support.
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Zen Ad Blocker pricing
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Zen Ad Blocker fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Device coverage | Desktop |
| Custom filter lists | Yes |
| Element picker | Not verified |
| Cookie popup blocking | Yes |
| Device limit | Not verified |
| Browser support | Major-browsers |
| Deployment | Desktop |
| Platforms | Windows, macOS, Linux |
| Support | Community, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan (source) |
| Website | irbis.sh |
| Facts checked | 20 Sep 2026 |
Alternatives to Zen Ad Blocker
- AdGuardA broad ad and privacy blocker with browser, app, DNS, and parental controls.9.4
- GhosteryA free, open-source blocker with broad platform coverage and detailed privacy controls.9.2
- uBlock OriginA highly configurable free blocker for users who want control over filtering.9.1
See all Zen Ad Blocker alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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