Zen Browser

A browser optimized for performance, privacy, and productivity

Also known as
zen-browser

What is Zen Browser?

A desktop browser designed to deliver fast performance while prioritizing user privacy and productive browsing capabilities.

Independently observed

Zen Browser pricing

We don't have Zen Browser's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.

What Zen Browser does

The capabilities that matter for browser productivity, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.

Capabilities
Deployment model
-
Chrome extension webstore compatibility
-
Vertical tab sidebar layout
✓
Split screen web panels in single window
✓
Multi account cookie isolation containers
✓
Cmd k command palette global search
✓
Native ad and tracker blocking engine
-
Collaborative shared workspaces and folders
-
Memory suspension inactive tab freezing
-
Generative AI LLM page summarization
-
SOC2 type ii
-
ISO 27001
-
Pricing model
Completely free
Independently observed

Platform & deployment

Independently observed
Platforms
  • macOS
  • Linux
  • Windows
Deployment
  • Self-hosted

Integrations (4)

Independently observed
content
  • RSS←•
  • GitHub
  • RSS feeds
  • Mozilla Account•

Security & compliance

Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality

Zen Browser FAQ

Common questions about Zen Browser, answered from independent, dated evidence.

What is Zen Browser?

A Firefox-based browser that eliminates telemetry and tracking while offering productivity tools like split-view tabs, workspace organization, and website customization without collecting or sharing user data. It is indexed under Browser Productivity.

Source: https://zen-browser.app

Is Zen Browser free to use?

Zen Browser is open source, so it can be self-hosted and used at no licence cost. It is released under the MPL-2.0 licence. Pricing changes often, so verify at source before relying on it.

Source: https://zen-browser.app

What platforms does Zen Browser support?

Zen Browser supports Windows, macOS and Linux. Platforms we have not confirmed are simply not listed here rather than ruled out.

Source: https://zen-browser.app

Can Zen Browser be self-hosted?

Yes. Zen Browser can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.

Source: https://zen-browser.app

Is Zen Browser open source?

Yes. Zen Browser is published under the MPL-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.

Source: https://github.com/zen-browser/desktop

Zen Browser alternatives

Other browser productivity we track, ranked by the same independent score.

All Zen Browser alternatives, ranked →

Compare Zen Browser

Side by side against other browser productivity, attribute by attribute, with a source on every value.

Independent · unbought · dated

The vioscaleAI score: one lens on the evidence

Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Zen Browser, not the verdict.

Balanced composite 50 / 100
low · 32%
Signal contributions to the composite score
SignalScoreWeightContributionEvidence
Development activity630.095.9✓
Release cadence970.055.0✓
Capabilities670.074.7✓
Stars880.032.3✓
Integrations140.081.1✓
Dependent projects00.060.0✓
Security posture00.060.0-
Package downloads00.140.0-
Security score00.040.0-
Developer Q&A activity00.060.0-

Computed . Re-weight it by intent, or see the full method.

All data & sourcesshow ↓

Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.

Activity

AttributeValueEvidence
Commits last 30d100mediumsource · 2026-10-14 · 65%

Adoption

AttributeValueEvidence
Github stars44,924highsource · 2026-10-14 · 90%
Dependent repos0highsource · 2026-10-14 · 85%

Content

AttributeValueEvidence
Faq5 itemsmediumsource · 2026-09-10 · 67%

Features

AttributeValueEvidence
CapabilitiesPricing model: completely_free · Vertical tab sidebar layout: Yes · Cmd k command palette global search: Yes · Split screen web panels in single window: Yes · Multi account cookie isolation containers: Yesmediumsource · 2026-10-14 · 60%

Integrations

AttributeValueEvidence
Count2mediumsource · 2026-10-14 · 60%

Language

AttributeValueEvidence
PrimaryC++highsource · 2026-10-14 · 90%

License

AttributeValueEvidence
SpdxMPL-2.0highsource · 2026-10-14 · 95%

Pricing

AttributeValueEvidence
Free tierYesmediumsource · 2026-09-13 · 60%
Modelfreemediumsource · 2026-09-13 · 60%
Price levelfreemediumsource · 2026-09-13 · 60%
TransparentYesmediumsource · 2026-08-20 · 60%

Release

AttributeValueEvidence
Cadence days6mediumsource · 2026-10-14 · 70%
History20 itemsmediumsource · 2026-10-14 · 70%

Security

AttributeValueEvidence
VulnerabilitiesCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fzen-browser%2Fdesktop&per_page=100 · Last 12m: 0highsource · 2026-10-14 · 90%
Still deciding?

Is Zen Browser the right choice for you?

Tell us the job, the constraints and what you weigh most, and we will rank Zen Browser against the rest of the browser productivity we index, using the same dated evidence weighted your way.

Free to run, no account needed to start. How the evaluation works

For the makers of Zen Browser

Is this your product?

This profile was built from public sources without asking you. You can take the badge below and use it anywhere, and you can claim the profile to correct anything we got wrong. Both are free, and neither moves Zen Browser up or down: nobody can buy rank here, including you.

Take the badge

Live, always current, and free to use on your own site. It shows Zen Browser's independent score and links back to this profile.

Zen Browser, verified on vioscaleAI
HTML
<a href="https://www.vioscale.ai/software/zen-browser" target="_blank" rel="noopener">
  <img src="https://www.vioscale.ai/badge/software/zen-browser.svg" alt="Zen Browser, verified on vioscaleAI" width="330" height="76" loading="lazy" />
</a>
Markdown, for a README →
Markdown
[![Zen Browser, verified on vioscaleAI](https://www.vioscale.ai/badge/software/zen-browser.svg)](https://www.vioscale.ai/software/zen-browser)

Claim the profile

Verify you control the domain, then point us at the pages that state the facts about Zen Browser and add your own description and media. Free, and it does not change the score.

  • Correct anything wrong, with evidence
  • Point our crawler at the pages that matter
  • Write your own description and add media
Claim Zen Browser

Not the owner? How vendor profiles work