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Home/Categories/Security & Monitoring/Iridium Browser
icon of Iridium Browser

Iridium Browser

Open source alternative to Island Enterprise Browser, Palo Alto Networks Prisma Browser and Authentic8 Silo

A Chromium-based browser focused on privacy and security, offering enhanced protection without compromising compatibility.

412 starsBSD-3-Clause
Visit websiteGitHub repo
image of Iridium Browser
Contents
  1. 01Who Iridium Browser is for
  2. 02The problem it solves
  3. 03How it solves it
  4. 04Strengths and trade-offs
  5. 05FAQ
  6. 06Similar open-source tools
TL;DR

Iridium Browser is a privacy-focused Chromium modification for users who want a familiar browser engine with stricter privacy defaults. It replaces stock Chromium or Chrome for desktop users who want less vendor-controlled browser behavior. BSD-3-Clause licensed.BSD-3-Clause · 412 stars

who it's for

Who Iridium Browser is for#

Privacy-conscious desktop users

Iridium Browser fits users who want Chromium compatibility with a stronger privacy posture.

Skip if:

You need the fastest upstream Chrome security updates or enterprise browser management.

Developers inspecting Chromium privacy changes

The source tree is useful for understanding how a Chromium fork adjusts browser behavior.

Skip if:

You want a browser built on a non-Chromium engine.

the problem

The problem it solves#

Mainstream browsers optimize for broad compatibility, vendor services, and account ecosystems. Privacy-conscious users often want the Chromium engine without accepting every default connection, integration, or telemetry-adjacent behavior.

A browser fork has to balance privacy changes with the maintenance burden of tracking Chromium. Users should understand both the privacy goal and the cost of relying on a downstream browser build.

how Iridium Browser solves it

How it solves it#

Chromium-based browser

Iridium is built as an open modification of the Chromium code base, preserving familiar web compatibility goals.

Privacy-first changes

The README identifies privacy as the key enhancement over the Chromium base.

Source build documentation

The repository includes detailed source and build notes for users who need to inspect or build the browser.

strengths · trade-offs

Strengths and trade-offs#

Strengths

  • Familiar engine with privacy focusIridium is strongest for users who want Chromium compatibility while reducing default vendor behavior.
  • Permissive licenseBSD-3-Clause licensing gives developers broad rights to inspect, build, and adapt the browser source.

Trade-offs

  • -Browser forks require trust in maintenanceUsers should verify release cadence, security update speed, and platform packaging before making any browser fork their daily driver.
frequently asked

FAQ#

What is Iridium Browser based on?

Iridium Browser is based on the Chromium code base.

Why use Iridium Browser?

Iridium focuses on privacy-oriented changes while keeping a Chromium-based browsing experience.

What license does Iridium Browser use?

GitHub metadata reports BSD-3-Clause licensing for Iridium Browser.

also worth a look

Similar open-source tools#

LibreWolf

LibreWolf

Privacy-hardened Firefox fork with all telemetry removed

256ShellMPL-2.0
Brave

Brave

Block ads and trackers by default in a Chromium-based browser

22.6KMPL-2.0
Ladybird

Ladybird

Browser with its own rendering engine, no Chrome or Firefox code

63.7KC++BSD-2-Clause
Midori Browser

Midori Browser

Fast private browser with tracker blocking and DNS-over-HTTPS

327JavaScriptMPL-2.0
Falkon

Falkon

Speed-first browser for KDE Plasma with built-in ad blocking

467C++GPL-3.0
Floorp

Floorp

Firefox fork with advanced privacy controls and UI customization

8.2KTypeScriptMPL-2.0

Repository

Stars
412
Forks
46
License
BSD-3-Clause
Last commit
858 days ago
Last verified
May 13, 2026
Repo
iridium-browser/iridium-browser ↗

Additional details

Open issues
1
Contributors
1
First release
2019

Categories

Security & MonitoringBusiness & Productivity

Tags

Web BrowsersSecurityCybersecurityPrivacy Tools