# ActivityWatch - Open Source Time Tracker

> This extension logs the current tab and your browser activity to ActivityWatch.

Canonical page: [https://chrome-stats.com/d/aw-watcher-web](https://chrome-stats.com/d/aw-watcher-web)

## Overview

- **ID:** `aw-watcher-web`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Erik Bjäreholt
- **Category:** other
- **Daily users:** 3,439
- **Weekly downloads:** 145
- **Rating:** 4.68 / 5 (47 ratings)
- **Version:** 0.6.0
- **Last updated:** 2026-09-08
- **First published:** 2017-10-05
- **Size:** 116 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/aw-watcher-web/)
- **Website:** [https://forum.activitywatch.net/](https://forum.activitywatch.net/)

## Description

ActivityWatch is a free and open source automatic time-tracking software designed to help you monitor how you spend your time on your computer. This Chrome extension seamlessly integrates with ActivityWatch, enhancing it by logging your current browser tab and overall web activity to provide detailed insights into your online habits.

Please note, this extension requires the ActivityWatch desktop application to be installed on your computer. You can find easy installation instructions and further details at [activitywatch.net](https://activitywatch.net/). By using this extension alongside the main application, you gain a comprehensive view of your digital time management to boost productivity and better understand your browsing patterns.

## Rankings

- #1,510 — Overall
- #229 — Other extensions
- #4 — activity
- #11 — screentime tracker
- #11 — source
- #12 — screen time tracker

## Permissions and access

### Permissions

- `tabs`
- `alarms`
- `notifications`
- `activeTab`
- `storage`
- `http://127.0.0.1:5600/api/*`
- `http://127.0.0.1:5666/api/*`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension was recently updated in the past month. New updates may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

Users broadly praise ActivityWatch – Open Source Time Tracker Firefox add-on for keeping data locally, being highly customizable, and delivering a positive, easy-to-use experience. The extension is seen as a solid, reliable way to log time with minimal UI clutter. Reviews frequently mention that it connects and syncs quickly and works well. Some reports warn of heavy memory usage in certain setups, and a few users encounter issues with URL recognition or policy-related restrictions that limit Mozilla-hosted versions, requiring forks or workarounds. Overall, sentiment is highly favorable though caveats exist.

### Pros

- Local storage and privacy
- Highly customizable
- Strong overall positive sentiment across many reviews
- Reliable operation and quick synchronization

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Source: [Chrome-Stats](https://chrome-stats.com/d/aw-watcher-web)