Zen Browser is what a lot of people try when they want to leave Chrome but find plain Firefox too familiar. It takes Firefox's engine and wraps it in an Arc-style interface: a sidebar, Spaces and split view. Since Arc stops working on December 22, 2026, it has also become the default suggestion for Arc users who never wanted Chromium in the first place. Comparing it with Chrome means comparing more than the interface, though. You are also changing engines, companies and the amount of AI in your browser.
Interface: closer than it was
Chrome has spent 2026 catching up. It now has vertical tabs, tab groups and a two-page split view, so the old gap is narrower. Zen still goes further. Its split view tiles up to four tabs. Spaces keep separate contexts in one window, each with its own container if you want it. Glance previews a link without leaving the page, and compact mode hides the interface until you need it. Both score 4 for customizability and 4 for ease of use, but Zen's interface is the one built around this way of working; in Chrome, it is an option.
Privacy and extensions
This is the widest gap. Zen scores 4 for privacy and Chrome scores 2. Zen inherits Firefox's tracker and fingerprinting protection, is fully open source, and is not made by an advertising company. Chrome ships no tracker or ad blocking at all. Zen has no built-in ad blocker either, but on Gecko you can install the full uBlock Origin. Chrome removed Manifest V2 in 2026, so it only runs the restricted Lite version. Both score 4 for extensions: Chrome's library is bigger, Zen's blockers are stronger.
AI goes the same way. Chrome scores 5 for AI features with Gemini built in, including an agent that browses for you on Google's paid plans in some countries. Zen scores 1 because it ships no AI, which for some people is the reason to pick it.
What Chrome has that Zen cannot match
Reach and resources. Chrome runs on all five major platforms and syncs everything through your Google account. Zen is desktop only, on Mac, Windows and Linux. It syncs bookmarks, passwords and, since September 2026, Spaces between computers through a Mozilla account, but there is no phone app. Chrome scores 5 for speed against Zen's 4, it is the browser sites are tested against, and since September 2026 it updates every two weeks. Zen is a small open-source project that still labels its releases beta and follows Firefox's releases. It is stable enough for daily use, but you will hit the occasional rough edge.
Which should you choose?
Choose Chrome if you want one browser on every device, the best site compatibility, and AI built in, and you accept that the price is data collection by default.
Choose Zen Browser if you browse mainly on a computer, want a calmer interface with real Spaces and four-way split view, and want much better privacy than Chrome without giving up a modern design. Keep another browser on your phone, and install uBlock Origin on day one.
Google Chrome
Fast, popular, and extensible with a massive extension ecosystem.
Zen Browser
A Firefox-based browser with a calm, focused UI.
Ratings
Speed
Ease of use
Customizability
Privacy
Extensions
AI features
Features
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