同览 BrowSync is a native macOS application designed to facilitate cross-browser synchronization and intelligent URL routing. It enables users to coordinate browsing activities across Safari, Firefox, and a wide range of Chromium-based browsers, including Chrome, Arc, Microsoft Edge, Brave, Vivaldi, Opera, Yandex, Orion, Helium BrowserOS, and custom Chromium browsers added by the user. The tool addresses the need for seamless data consistency and workflow integration when switching between multiple browsers on macOS devices.
Key features include real-time synchronization of bookmarks and login states (cookies and cache) between supported browsers, allowing users to maintain consistent access to bookmarks and remain logged in across different browser platforms. BrowSync also offers smart URL routing: once set as the system default browser, it can automatically open links in a designated browser based on user-defined rules. Synchronization and rule matching are handled entirely through a local daemon process, ensuring that all data remains on the user's device and does not depend on external servers, which supports a privacy-focused approach. The app is built with SwiftUI, supports dark mode, and can reside in the macOS menu bar with low memory usage.
For users with multiple Mac devices, BrowSync provides iCloud-based synchronization of routing rules and preferences, allowing a consistent experience across devices. The application is available as a direct download for macOS, with installation options via browser extension or Homebrew. Users can customize which browser folders are synchronized, and there is support for sharing either the current active tab or all open tabs, depending on the chosen plan.
BrowSync is offered in both free and professional versions. The free version is suitable for lightweight use and initial evaluation, supporting manual synchronization of bookmarks and login states, with limitations on the number of routing rules, synchronized browsers, and site-specific sync strategies. The professional version removes these restrictions, enabling unlimited configuration, real-time automatic sync, and iCloud cross-device capabilities, making it well-suited for users with complex, multi-browser, or multi-device workflows.
In the Other productivity space, 同览 BrowSync takes a focused approach. It focuses on synchronizing bookmarks, cookies, and login states across different browsers on macOS without compromising privacy. It is built as a consumer product for macOS users who use multiple browsers. The product is available for free. It runs on the web, the command line, and macOS.
Behind 同览 BrowSync is chentao1006, and the product first shipped in 2026. Development happens publicly on GitHub with 74 stars and 76 commits in the last 90 days. PulseGate's similarity index finds few close equivalents — 同览 BrowSync occupies a relatively distinct niche. Key capabilities include URL routing, bookmark sync, and cookie sync.
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