Arc vs Chrome vs Firefox in 2026: Which Browser Is Worth Switching To?
For a few years, Arc was the most exciting thing happening in browsers. Vertical tabs, Spaces, Little Arc windows, customizable Boosts — it genuinely made you rethink what a browser could be. Then in May 2025, The Browser Company quietly announced Arc was entering maintenance mode. No new features. The team pivoted to building Dia, an AI-first browser, and in September 2025 Atlassian acquired TBC for $610 million. Arc still works — but it’s frozen.
So the question in 2026 isn’t just “which browser is best” — it’s whether Arc is still worth recommending at all, and what actually fills the gap it left. Chrome holds ~65–71% of the global market, just added native vertical tabs in January 2026, and remains the default choice for most of the internet. Firefox holds about 3–5% market share but is the last major non-Chromium browser standing — the only real alternative if you care about web engine diversity and privacy by default.
Here’s the honest, full comparison.
Important context for 2026: Arc Browser is in maintenance mode as of May 2025. It still receives Chromium security updates (currently on Chromium 146) but gets zero new features. Atlassian owns The Browser Company. The team is building Dia instead. Arc is not dead — but recommending it as a long-term daily driver in 2026 requires some honesty about its future.
| Criterion | Arc Browser | Google Chrome | Mozilla Firefox |
|---|---|---|---|
|
Development status
|
Maintenance mode since May 2025
|
Actively developed — Chrome 146
|
Actively developed — Firefox 137
|
|
Engine
|
Chromium (Blink)
|
Chromium (Blink/V8)
|
Gecko/SpiderMonkey — independent
|
|
Cost
|
Free
|
Free
|
Free, open source
|
|
Account required
|
Yes — mandatory to use Arc
|
Optional (needed for sync)
|
Optional — sync without Google login
|
|
Platforms
|
macOS, Windows only — no Linux, no mobile app
|
All platforms including Linux, iOS, Android
|
All platforms including Linux, iOS, Android
|
|
Page load speed
|
Fast — but RAM bloats over time
|
Fast — best prefetch/preload
|
Competitive — slightly behind on JS benchmarks
|
|
RAM usage
|
Heavy — bloats badly over long sessions
|
Heavy — notorious RAM hog
|
More efficient than Chrome at multi-tab
|
|
Speedometer 3.0 benchmark
|
Chromium baseline
|
Strong — Chrome 146 well-optimised
|
9.1 in 2026 testing — top among major browsers
|
|
Default tracker blocking
|
None built-in — relies on extensions
|
None — Chrome collects usage data by design
|
Enhanced Tracking Protection on by default
|
|
Fingerprint protection
|
Chromium baseline only
|
Minimal by default
|
Built-in fingerprinting resistance
|
|
Data collection
|
Requires Arc account + Firebase sync
|
Extensive — Google ad business model
|
Non-profit Mozilla, minimal collection
|
|
Sync encryption
|
Cloud sync via Firebase
|
Google servers — tied to Google account
|
End-to-end encrypted Firefox Sync
|
|
Container tabs
|
Spaces work similarly
|
No native containers
|
Multi-Account Containers — unique feature
|
|
Tab management
|
Spaces + vertical sidebar — best-in-class UX
|
Native vertical tabs added Jan 2026
|
Standard tabs, extensions available
|
|
Command bar
|
Built-in — fastest navigation
|
No native command bar
|
Omnibox only
|
|
Split view / peek windows
|
Little Arc + Split View — unique
|
Not available natively
|
Not available natively
|
|
Custom page styles (Boosts)
|
Built-in CSS/JS injection per site
|
Stylus extension required
|
Stylus + userChrome.css
|
|
Customisation depth
|
Very high — themes, icons, sidebar
|
Low — minimal native customisation
|
Very high — about:config, userChrome.css
|
|
Extension library
|
Chrome Web Store — full access
|
Chrome Web Store — largest in world
|
Firefox Add-ons — thousands, but smaller
|
|
Website compatibility
|
Chromium-based — near-perfect
|
Best — web devs target Chrome first
|
Occasional issues — ~3–5% of complex sites
|
|
Extensions on mobile
|
No mobile app
|
No extension support on mobile
|
Full desktop extensions on Android
|
|
Google ecosystem fit
|
Works fine, but not integrated
|
Native — Gmail, Drive, Gemini seamless
|
Works but Google apps push Chrome
|
|
Web engine diversity
|
Another Chromium — adds to Google's dominance
|
Controls 65–71% of market — monoculture risk
|
Only independent Gecko engine alive in 2026
|
|
Future outlook
|
Frozen — no roadmap, successor is Dia
|
Full development, market leader
|
Declining market share but active development
|
|
Best for
|
Power users who love its workflow right now
|
Everyone in Google ecosystem
|
Privacy-first users and developers
|
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Final Thoughts
Arc Browser
Still great — but buy it knowing it’s frozen
Arc’s Spaces, vertical sidebar, Little Arc, and command bar remain genuinely better than what Chrome and Firefox offer natively. If you’re on Mac or Windows and love the workflow, nothing stops you from using it — it still gets Chromium security updates. But you’re using a frozen product whose creators have moved on. Don’t switch to Arc expecting it to get better. Switch knowing it’s already what it is.
Google Chrome
Default for a reason — but you’re paying with your data
Chrome added native vertical tabs in January 2026 — the feature that launched a thousand alternative browsers is now a checkbox in Settings. For anyone deep in Google Workspace, Gmail, and Drive, the integration is seamless and nothing competes. The cost is your data. Chrome is built by the world’s largest ad company and every default is nudged toward data collection. It’s not a reason to avoid it — it’s a reason to know what you’re using.
Mozilla Firefox
The honest choice for everyone who cares about the web
3% market share. End-to-end encrypted sync. Full uBlock Origin. Container tabs. The only major browser not running on Google’s engine. Firefox isn’t exciting in 2026 — but it’s principled. It’s the only option that doesn’t funnel your browsing data to an ad company, and the only browser that keeps Chromium from having a total monopoly on how the web works. If you don’t need Chrome’s ecosystem, Firefox is the right answer.