ArcvsZen Browserin 2026
Choose Arc for a polished Chromium sidebar-and-spaces model; choose Zen for a Firefox-based alternative with vertical navigation and a fast-moving community release cadence.

Head-to-head: Arc versus Zen Browser
Arc
The Browser Company · United States
Zen Browser
Zen Browser contributors · International
Arc: A Chromium browser centered on spaces, a persistent sidebar, and a redesigned tab workflow.
Zen Browser: A Firefox-based browser focused on compact vertical navigation, workspaces, and customization.
Key facts, on one axis
- Yes
- Partial
- No
A count of the capabilities each record documents in that category - half a point for partial support. It is a shape, not a score: BrowserPedia does not rank browsers.
What actually differs
Anti-fingerprinting protection
Only in Zen Browser · Privacy & tracking
Chrome Web Store
Only in Arc · Extensions
Firefox Add-ons
Only in Zen Browser · Extensions
Manifest V2
Only in Zen Browser · Extensions
Linux
Only in Zen Browser · Platforms
Android
Only in Arc · Platforms
Arc vs Zen Browser: every documented fact
Each row is a field from the two browser records. Open a row to read the documented note and its source. Categorical rows carry no colour, because one engine is not better than another.
33 documented facts · 15 differ · 18 identical
Privacy & tracking
built inExtensions
built inWorkflow & tabs
built inPlatforms
built inFoundation
Arc vs Zen Browser: common questions
- Do Arc and Zen Browser use the same browser engine?
- No. Arc renders with Chromium and Zen Browser renders with Gecko. That means they can differ on site compatibility and on which extension ecosystem they support.
- Which blocks trackers by default, Arc or Zen Browser?
- Both Arc and Zen Browser document tracker blocking enabled by default.
- Can Arc and Zen Browser run Chrome extensions?
- Arc documents Chrome Web Store support; Zen Browser does not.
- Does Arc or Zen Browser have vertical tabs?
- Both Arc and Zen Browser document built-in vertical tabs.
- What platforms do Arc and Zen Browser run on?
- Arc is documented on macOS, Windows, Android and iOS. Zen Browser is documented on macOS, Windows and Linux.
- Is Arc or Zen Browser still actively developed?
- Arc is maintenance mode and Zen Browser is active, as of the profile verification dates on this page.
Evidence sources
- Arc official help center Verified 2026-09-16
Product availability and workflow documentation.
BrowserPedia does not rank browsers by a universal score. The verdict is an editorial interpretation of the sourced facts above.
Canonical comparison link