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mantrakp04

mantrakp04/ardia

A free, open-source Chromium browser for macOS that puts Arc-style sidebar tabs and Dia-style polish on Chrome's own engine.

Open-source alternative to:ArcDia

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Last commit
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What is it?

Ardia is a macOS web browser built on Chromium 156 that moves the address bar into a sidebar, so pages run to the top of the window. Tabs can be grouped, pinned, and split into up to three side-by-side or stacked panes. Each window uses Chrome's own framework rather than WebKit or Electron, so sites, Chrome extensions and DevTools behave as they do in Chrome.

The browser ships with uBlock Origin built in, and Google's background pings are removed from the build. Profiles keep separate logins, history, extensions and colours. Bookmarks, history and passwords can be imported from Chrome, Safari, Firefox, Arc and Dia, and sync runs end-to-end encrypted through the user's own iCloud Drive.

The app requires macOS 14 or later on Apple Silicon. Widevine is not yet available, so Netflix does not play, and Intel Macs are not supported. The source is built with Expo and React Native macOS for the UI shell, with the engine layer and Metal shaders in the same repository.

Key features

  • 01Address bar lives in the sidebar, so pages fill the full window height.
  • 02Split view shows up to three pages side by side or stacked.
  • 03Built-in uBlock Origin and Google background services removed.
  • 04Chrome Web Store extensions work, with Sync across Macs.
  • 05Per-profile logins, history, extensions and colours.
  • 06Imports bookmarks, history and passwords from several browsers, including Arc and Dia.
  • 07End-to-end encrypted sync through the user's own iCloud Drive.

Use cases

  • A Mac user who likes Arc's sidebar layout but wants a free, open-source browser.
  • Someone who wants a Chromium-based browser with ad and tracker blocking built in.
  • Switching to a Mac browser while keeping bookmarks, passwords and extensions from Chrome or Safari.
  • Developers who want Chrome's DevTools and extension behaviour inside a sidebar-based browser.

Quick start

  1. 1

    Install with Homebrew

    brew install mantrakp04/tap/ardia
  2. 2

    Or download the DMG from the releases page and drag it into Applications

Things to know

  • macOS only, and Apple Silicon only (Intel Macs are not supported).
  • Netflix and other Widevine content does not work yet.
  • Licensed under GPL-3.0, a copyleft license.

In collections

Open-source Mac appsPrivacy & local-first tools

Topics

#browser#chromium#macos#sidebar#privacy#ad-blocker#react-native#metal

FAQ

What is ardia?
A free, open-source Chromium browser for macOS that puts Arc-style sidebar tabs and Dia-style polish on Chrome's own engine. Ardia is a macOS web browser built on Chromium 156 that moves the address bar into a sidebar, so pages run to the top of the window. Tabs can be grouped, pinned, and split into up to three side-by-side or stacked panes. Each window uses Chrome's own framework rather than WebKit or Electron, so sites, Chrome extensions and DevTools behave as they do in Chrome.
Is ardia free to use? What license does it have?
ardia is open source under the GPL-3.0 license. Check the license terms before using it in commercial products.
Is ardia still maintained?
Actively maintained. The last commit to ardia was on Nov 7, 2026.
What can I use ardia for?
A Mac user who likes Arc's sidebar layout but wants a free, open-source browser. Someone who wants a Chromium-based browser with ad and tracker blocking built in. Switching to a Mac browser while keeping bookmarks, passwords and extensions from Chrome or Safari. Developers who want Chrome's DevTools and extension behaviour inside a sidebar-based browser.
How do I install ardia?
Install with Homebrew: brew install mantrakp04/tap/ardia Or download the DMG from the releases page and drag it into Applications
Where can I get ardia?
The source code and installation instructions are on GitHub: https://github.com/mantrakp04/ardia

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