> ## Content Index
> Fetch the complete content index at: https://www.stirup.si/llms.txt
> Use this file to discover other available public pages before exploring further.

# Crest – an Arc-inspired open-source browser for Mac
- URL: https://www.stirup.si/crest-an-arc-inspired-open-source-browser-for-mac-d57224c1/
- Published: 2026-10-12T09:22:49.000Z
- Updated: 2026-10-12T09:22:49.000Z
- Description: Crest is an open-source browser inspired by Arc, designed for macOS, iPad, and iPhone. It introduces features like Spaces, Split View, and a customizable sidebar, with a focus on user experience and integration with Apple's ecosystem.
- Author: Satish Das
- Tags: Community, Stirup Research

## Overview and Key Features

Crest is an open-source browser that draws inspiration from Arc, aiming to provide a modern and customizable browsing experience for Apple users. It supports macOS, iPad, and iPhone, with a focus on native integration and usability. The browser introduces several features, including Spaces, Split View, and a customizable sidebar, which are designed to enhance productivity and organization.

## Design and User Experience

Crest's design emphasizes simplicity and customization. The sidebar, referred to as the 'banner,' allows users to manage Spaces, tabs, and folders efficiently. The browser also includes a 'Command Bar' and 'Command Palette' for quick access to features and settings. These elements are reminiscent of Arc's interface, but with some rebranding and additional customization options.

## Integration with Apple Ecosystem

Crest integrates with Apple's ecosystem through iCloud, enabling users to sync Spaces, tabs, folders, and other settings across devices. This feature is particularly useful for users who work across multiple Apple devices. Additionally, the browser supports importing data from other browsers, including Chrome, Firefox, and Safari, making the transition to Crest more seamless.

## Customization and Developer Tools

Crest offers extensive customization options, including the ability to modify the appearance of Spaces, tabs, and the sidebar. Users can also rebind keyboard shortcuts and use developer tools for debugging and testing. The browser supports extensions from the Chrome Web Store, with the ability to manage extensions per Space, adding flexibility for different workflows.

## Privacy and Security

Crest includes privacy-focused features such as content blocking, site permissions, and the ability to use Face ID or Touch ID for locking private Spaces. However, the browser's security has not been independently audited, which is an important consideration for users concerned about data protection.

## Limitations and Considerations

While Crest offers a compelling set of features, it is currently in early access and may not be fully stable. The browser's reliance on Chromium and WebKit engines means it may not support all web technologies uniformly. Additionally, the lack of independent security audits and the absence of a fully developed ecosystem of extensions may limit its appeal for some users.

**Source:** [Hacker News](https://crestbrowser.com/?ref=stirup.si). Analysis based on publicly available information; no hands-on testing is claimed.