Browser syncing as it should be: secure, anonymous and free! Sync bookmarks across your browsers and devices, no sign up required.

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What is xBrowserSync?

xBrowserSync is a Chrome extension that provides browser bookmark syncing across multiple devices. Absolutely free, it respects your privacy as no signup is required and no personal data is collected. It secures your synced data against theft or interception with military-grade client-side encryption, meaning only you can decrypt your data. In addition to facilitating bookmark syncing, xBrowserSync enriches your bookmarks by adding metadata such as descriptions and tags, and allows backup and restore functionality.

Stats date:
Rating: 3.91 (126)
Version: 1.5.2 (Last updated: 2020-04-09)
Creation date: 2020-04-09
Manifest version: 2
  • activeTab
  • alarms
  • bookmarks
  • notifications
  • storage
  • tabs
  • unlimitedStorage
Size: 1.96M
Email: Click to see
Risk impact: Moderate risk impact
Risk likelihood: Very low risk likelihood

Other platforms

xBrowserSync (v1.5.2)
4.01 (87) 4,271
Not available on Edge

xBrowserSync is a completely free and open source tool for syncing your bookmarks and browser data between your desktop browsers. xBrowserSync respects your privacy and gives you complete anonymity — no sign up is required and no personal data is ever collected. It is also completely secure; your data is encrypted client-side with military grade encryption, Even if someone intercepted your data, only you can decrypt it.

xBrowserSync enriches your bookmarks with the addition of descriptions and tags. An intuitive search interface lets you find bookmarks quickly and easily, or simply browse your bookmarks hierarchy by folders. And don’t ever worry about losing your data thanks to the included back up and restore functionality.

The web extension fully supports your native desktop browser bookmarking features; xBrowserSync will preserve your existing bookmarks hierarchy and any changes you make using the native bookmarking functionality are synced by xBrowserSync automatically. xBrowserSync will even add metadata to new bookmarks automatically!

With the xBrowserSync mobile app you can use xBrowserSync on the go with your Android device. Once you have created a new sync on your desktop browser using the web extension, simply scan your sync ID code into the app and enter your password to connect to your synced data. Add new bookmarks easily by sharing from your favourite apps (browsers, YouTube, Spotify and any other app that shares URLs), xBrowserSync will even populate the bookmark properties for you.

For ultimate privacy, configure your very own xBrowserSync cloud service on your Linux or Windows server to sync to. The code for the xBrowserSync cloud service is open source and is easy to set up for any relatively tech savvy individual.

Welcome to browser syncing as it should be: secure, anonymous and free!

Key features:

★ Sync bookmarks between desktop browsers (syncing of additional browser data will be added in future versions), and access bookmarks on the move using the xBrowserSync Android app.

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User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
  • Encrypted and can be self-hosted
  • Syncs bookmarks across devices and browsers
  • Fast synchronization
  • Can replace default Chrome bookmarking
  • Risk of bookmark loss or deletion
  • Issues with syncing on specific devices and browsers (e.g., Edge, Opera, Galaxy Note 20)
  • Does not support multi-language (e.g., Chinese)
  • Does not support synchronization of other elements such as tabs, history, site data
Most mentioned
  • Bookmarks synchronization
  • Risk of data loss or deletion
  • Multi-device, multi-browser compatibility
  • Need for comprehensive language support
  • Lack of sync for non-bookmark elements
View all user reviews
Risk impact

xBrowserSync may not be safe to use and it requires some risky permissions. Exercise caution when installing this extension. Review carefully before installing.

Risk likelihood

xBrowserSync has earned a good reputation and can be trusted.

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