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Onyx Browser - Free Download for Windows and Linux

Privacy-forward browser with hardened defaults - free for Windows and Linux.

We detect your OS and recommend the right build. 0.2.14

Choose your platform

Windows

Onyx-Browser-Setup.exe

Download .exe →

Linux AppImage

Onyx.Browser.AppImage

Download AppImage →

Linux .deb

onyx-browser_amd64.deb

Download .deb →

macOS

Onyx.Browser-arm64.dmg

Download .dmg →

Need support or checksum verification? Contact aesa@blackboxgroup.io · Version v0.2.14

See Onyx in Action

Privacy-first defaults, built-in ad blocking, VPN integration, and customizable themes - out of the box.

Onyx Browser new tab page with search and quick-access bookmarks

Clean Start Page

Minimal new-tab with quick-access bookmarks and web search - no clutter, no telemetry.

Onyx Browser privacy and security settings - tracker blocking, DNT, HTTPS mode

Privacy & Security Controls

Do Not Track, third-party cookie blocking, ad/tracker blocking, and pop-up protection - all toggleable per your policy.

Onyx Browser built-in VPN connection panel

Built-In VPN

Load your own .ovpn config and connect directly from the browser toolbar.

Onyx Browser privacy dashboard showing blocked trackers and active protections

Privacy Dashboard

Live visibility into blocked ads, trackers, and active protection status at a glance.

Onyx Browser appearance settings with multiple themes and accent colors

Themes & Customization

Dark, Midnight Blue, Forest, Sunset, and more - plus custom accent colors to match your workspace.

Who This Is For

Security-conscious teams and operators who want hardened browser defaults, better control, and a direct U.S.-based support channel.

Typical First Engagement

Free download for direct use. Managed deployment/support is scoped based on endpoint count and policy complexity.

Typical Timeline

Self-serve installation takes minutes. Managed onboarding and policy rollout typically completes in 1-2 weeks.

Security-First Defaults

Hardened defaults designed for teams that care about operational security and privacy posture.

Operational Visibility

Download activity and platform metrics are tracked to support release quality and adoption insights.

Built by Operators

Onyx is developed by the same team that builds cybersecurity and AI systems for high-stakes environments.

Community Feedback

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Release Notes & Integrity

We recommend validating checksums on all production deployments. If you need signed hash verification guidance, contact us directly.

Request checksum verification steps →

Need Enterprise Support?

For managed rollout, policy configuration, and support SLAs, book a call with our team.

Book an Onyx Call