I didn’t use to think much about how browsers handled tabs. I’d have maybe five, six tabs open at the same time, and Google Chrome would happily cruise along. Then I grew up, and my tab count grew with me. Before I knew it, I had dozens of tabs crammed into a horizontal strip at the top of the screen, each one shrunk to a favicon, and all of them a disaster to manage.
But in my quest to find the perfect web browser, I stumbled upon Zen. Not only did it make the internet a much calmer place for me, but it also introduced a new way of handling tabs that made me realize I’d been staring at the wrong ceiling this whole time.
The tab strip has reached its limits
Why horizontal tabs fall apart once your browser becomes your workspace
The horizontal tab bar has been the default way browsers have shown tabs for as long as browsers have existed, and it made sense, at least when people opened fewer tabs. Screens were smaller, workflows were simpler, and most work happened on native, OS-specific tools instead of the browser, so there was never really a need to have tons of persistent tabs juggling around in your browser. In fact, I was so used to horizontal tabs that I didn’t like vertical tabs at all when I first tried them.
But that world is gone. Modern browsing involves juggling research, a side project, two YouTube tabs, a handful of documents, and whatever rabbit hole you most recently fell into. At that scale, horizontal tabs don’t organize anything; they just hide your tabs behind a favicon.
Browsers, especially Chrome, tackled this with tab groups. You could color-code clusters of tabs, collapse them, and give them a label. It’s genuinely useful and significantly better than no organization at all. The catch, however, is that you’re not changing the fundamental layout; you’re just adding color-coded buckets inside a broken container that’s already too full.
Zen Browser rethinks the entire experience
Vertical tabs, workspaces, and a layout designed for modern browsing habits
Zen Browser is a Firefox-based, open-source browser that started with a simple premise: treating vertical tabs not as a bolt-on alternative, but as the primary design element. It clearly took some inspiration from Arc, a browser that claimed to be the definitive Chrome replacement (but fell well short of that mark, at least on Windows).
Regardless, the vertical sidebar isn’t a mode you toggle in settings here; it’s the whole browser. Tabs, pinned essentials, workspace switchers, and media controls all live there. Every part of the interface was built around it from the start, which makes a bigger difference than it sounds. But the feature that you’ll like much more is Workspaces.
Zen’s workspaces are completely separate environments inside the same browser window. This means you can have a work workspace with your documentation, research, and other work-related tabs completely separate from a personal workspace, which holds everything else. Every workspace can have its own container tab assignment, which means cookies and sessions stay isolated. You can run multiple accounts on the same site across different workspaces without ever switching accounts.
There’s also compact mode, which completely removes every browser interface element from your view so it’s just you and the site you’re visiting. It can be triggered with a keyboard shortcut of your liking, and browser panels automatically slide in and out of view as you hover near an edge. If constantly seeing tons of open tabs is a trigger for you, Zen solves that in the best way possible.
- OS
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Windows, macOS, Linux
- Developer
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Mauro V
- Price model
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Free, Open-source
Zen Browser is a free, open-source web browser based on Firefox that is designed with a modern, highly customizable interface focused on privacy and productivity.
Glance and Split View change everything
Preview pages instantly and work with multiple websites without juggling windows
Two of Zen’s best tab management features are Glance and split view. Glance is a little hard to explain without using it, but if you hold the Alt key and click a link, instead of opening a brand new tab, Zen opens the page in a floating overlay on top of whatever you’re currently reading. You get a quick preview, and when you’re done, you close it to go right back. No new tab, no context switch, and no fumbling around to go back to the tab you were at.
Split view as a browser feature is becoming more common, with just about every major browser implementing it now, but Zen still does it better than most, in my opinion. Essentially, you can tile up to four tabs side by side in a single Zen window and arrange them the way a tiling window manager handles applications on Linux. If you’ve ever dragged a browser window to half the screen and a second one to the other half, you already understand the use case; you just no longer have to leave the browser to do it.
Organization finally makes sense
Tab folders, pinned spaces, and workspaces that keep browser chaos under control
Zen also ships with nested tab folders. Chrome, Edge, Firefox, they all have tab groups, but their groups can’t contain other groups, and the entire structure is rather flat. Zen’s folders can be nested inside of each other, which matters if you’ve got a project with multiple sub-topics or a research task that branches in different directions. You drag tabs into folders from the sidebar, rename and rearrange them, and the whole thing stays visible without crowding the interface.
The combination of workspaces, folders, compact mode, glance, and split view creates something that mainstream browsers like Chrome and Edge don’t have: an actual organization system, not just a collection of individual features. Zen is finally delivering on what other browsers have only promised, and as a massive tab hoarder, I’m loving every moment of it.
It’s not perfect, and that’s okay
Zen isn’t flawless by any means. Glance’s window overlay can feel too large on some displays, and DRM-protected streaming on platforms like Netflix can be hit or miss depending on your OS. And since it runs on Firefox’s Gecko engine, Chrome Web Store extensions don’t work. I haven’t had a problem with extensions so far, considering Firefox’s add-on store is pretty big itself, but the Chromium library is bigger, so you might have to find alternatives if you’re switching.
But the direction is completely different and totally correct. You can switch to Zen for enhanced privacy, customization, and performance, all before even getting into the tab management. The browser isn’t simply trying to cram the latest and greatest trends in browsers into one program; it’s completely rethinking what a browser should look and function like. Give it a shot, and I’m sure you’ll find the internet a much calmer space.
