Is ActivityWatch - Open Source Time Tracker safe?

Clean risk

Tracks how much time you spend on websites for ActivityWatch.

This browser extension adds web browsing time tracking to ActivityWatch. It requires ActivityWatch to be installed on your computer and can communicate with local ActivityWatch API endpoints on 127.0.0.1.

Erik Bjäreholtv0.5.2Firefox Add-ons
0Risk
Who publishes it

Erik Bjäreholt - no other listings under this identity

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

Publisher
Erik Bjäreholt

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

Publishers can request a review.

What it can do

Permissions this extension asks for, as declared in version 0.5.2. Asking for a permission is not a finding on its own - it is what the extension can do if it chooses to.

  • Read and change your data on 127.0.0.1:5600

    http://127.0.0.1:5600/api/*

  • Read and change your data on 127.0.0.1:5666

    http://127.0.0.1:5666/api/*

  • See the address and title of every tab you have open

    tabs

  • Schedule its own background tasks

    alarms

  • Show you desktop notifications

    notifications

  • Act on the current tab, but only after you click the extension

    activeTab

  • Store data in your browser

    storage

Where it sends data

Destinations our analysis observed ActivityWatch - Open Source Time Tracker 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.

  • 127.0.0.1

    ActivityWatch - Open Source Time Tracker sends data to 127.0.0.1. 7 other extensions we have analysed send data here.

Updated 30 September 2026amo-860977