Tab Workspaces

Name: Tab Workspaces
Rating: 2.8154 (65 reviews)
Author: Fonso

By: Fonso Add-on

Organize your tabs into workspaces. Switch between workspaces to change which tabs are displayed at the moment.

Overview

Firefox Add-ons Store

Daily users

669 ▲ 9

Data as of 2026-10-04

Rating:

2.82

(65)

Version:

1.2.1resigned1

Last updated: 2024-04-25

Features & Capabilities

Tab Workspaces is a powerful Chrome extension designed to help you organize your browsing tabs into distinct workspaces. Each tab belongs to a workspace, allowing you to switch between sets of tabs easily and keep your browsing environment clutter-free. New tabs automatically belong to the current workspace, and pinned tabs remain visible across all workspaces.

Key features include workspace switching from the toolbar icon, sending tabs between workspaces via right-click, keyboard shortcuts for quick navigation, and an address bar search to find and switch to tabs within your workspaces. This extension provides a practical alternative to Firefox's discontinued Tab Groups, inspired by Multi-Account Containers, and includes a beautifully designed user interface. Note that due to API limitations, switching workspaces closes and reopens tabs, which can affect tab history and active processes.

User Growth & Download Statistics

Add-on Developer Tools

By:

Fonso

Daily users:

669 9

Rating:

2.82

(65)

Version:

1.2.1resigned1 Last updated: 2024-04-25

Version code:

5728878

Creation date:

2017-09-30

Firefox add-on GUID:

{aba5dba6-dc7b-458d-8587-d8686f815531}

Firefox add-on numeric ID:

859374

Weekly download count:

Firefox on Android:

Yes

Risk:

Permissions:

Size:

31.84KB

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-10-04

Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:: Fonso
Firefox Add-ons Store: https://addons.mozilla.org/firefox/addon/tab-workspaces/
Website:: https://github.com/fonse/tab-workspaces/issues

User Reviews

Users like that Tab Workspaces provides simple workspace-based tab organization (useful for focus and emulating Opera workspaces). Major recurring problems: loss of saved workspaces/tabs, workspaces merging or duplicating tabs when switching, immediate loading of all tabs instead of lazy-loading, and buggy behavior with multiple windows; many report lack of backups and apparent abandonment of the add-on.

Pros

Provides workspace-based tab organization (like Opera workspaces)
Helps separate contexts and focus — useful for organising many tabs
Simple, user-friendly functionality and UI — several users said it does what they wanted

Cons

Saved workspaces or tabs can disappear (after restart, update, closing) — data loss reported by multiple users
Workspaces get mixed, duplicated or merged when switching (tabs from one workspace get added to another)
Loads every tab in a workspace immediately instead of lazy-loading, causing reloads and slow startup
Bugs around multiple windows and closing behavior (can close Firefox or delete workspaces); no built-in export/backup and appears unmaintained

Recent reviews

I assume it must be for a very old version of Mozilla. Right now (September, 2025) it just duplicate the tabs.

by El***** 2025-09-18

by Fi***** 2025-06-02

View all user reviews ›

Is Tab Workspaces Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Tab Workspaces requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details

Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
Low ****** ***** ** ******* ****** ********** **** ** ** ******** ******* ** **** ***** *************

Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Tab Workspaces is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
Medium **** ********* *** *** **** *******
Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****