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Preview of MosaicSync

MosaicSync by Cosimo

Privacy-first Firefox start page with synced shortcuts, folders, Spaces, bookmarks and wallpapers. Uses Firefox Sync—no MosaicSync account, analytics, telemetry or developer-operated cloud.

Available on Firefox for Android™
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Screenshots
Main PageMosaicSync Settings PanelWelcome screen that lets you import Shortcuts locally from Firefox Sync or start brand new
About this extension
MosaicSync replaces Firefox’s New Tab and new-window/homepage experience with a clean, customizable shortcut dashboard.

Keep your shortcuts, folders, Spaces and supported settings synchronized across your Firefox installations using Firefox Sync. Organize links into folders, switch between two renameable Spaces, rearrange shortcuts freely, customize icons and wallpapers, browse Firefox bookmarks, and import your existing Firefox shortcuts.

MosaicSync is privacy-first: no MosaicSync account, no analytics or telemetry, and no developer-operated sync server. Optional permissions are requested only when features such as bookmark access, Firefox shortcut import or automatic site icons need them.
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Permissions and data

Optional permissions:

  • Read and modify bookmarks
  • Access browsing history

Data collection:

  • The developer says this extension doesn't require data collection.

Optional data collection, according to the developer:

  • Browsing activity
  • Technical and interaction data
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More information
Version
1.25.16.1
Size
568.26 KB
Last updated
15 hours ago (Aug 21, 2026)
Version History
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