Is Upbase - Bookmarks, Tasks, Notes, Calendar safe?

Clean risk

Organize bookmarks, tasks, notes, and calendar planning in an Upbase workspace.

This extension lets users capture ideas, manage bookmarks on a Kanban-style board, create tasks, write notes, use a Pomodoro timer, and schedule tasks with time blocking. It requires an Upbase account and a free workspace, with collaboration features available for teammates.

0Risk
Who publishes it

Upbase LLC - no other listings under this identity, 3 shared hostnames

What this publisher told the store about itself, and the other listings that told it the same thing.

Publisher
Upbase
Declared legal entity
Upbase LLC
Registered address
4521 LAKOTA TRL, Mansfield, Texas, United States, TX 76063, US
Registered contact
Upbase

Shared hosts - 3 hostnames

Hostnames hardcoded in this extension that few other listings call. That can mean one operator behind both, and it can equally mean a small shared vendor, so it is context rather than a conclusion. Hosts that many listings call are left out: they are services, not connections.

upbase.io
Also called by 1 other listing: Arehna - Your Calm Companion
thednp.github.io
Also called by 3 other listings, including Shipping Printer
jsonlink.io
Also called by 5 other listings, including LinkCollect - Save & Share Bookmarks

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

Where it sends data

Destinations our analysis observed Upbase - Bookmarks, Tasks, Notes, Calendar contacting. Sending data somewhere is not a finding on its own - an extension that syncs your settings has to talk to its own server - but it is where your data can go, and who else it goes to.

  • upbase.io

    Upbase - Bookmarks, Tasks, Notes, Calendar sends data to upbase.io. No other extension we have analysed sends data here.

Updated 15 October 2026npgipklllhpdcddkdlgdeoddeedfccnp