# Tab Sidebar

> Adds a sidebar with foldable tabs.

Canonical page: [https://chrome-stats.com/d/tab-sidebar-we](https://chrome-stats.com/d/tab-sidebar-we)

## Overview

- **ID:** `tab-sidebar-we`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Nobuyuki Honda
- **Category:** appearance,other,tabs
- **Daily users:** 1,195
- **Weekly downloads:** 13
- **Rating:** 4.44 / 5 (48 ratings)
- **Version:** 0.9
- **Last updated:** 2024-11-12
- **First published:** 2017-10-23
- **Size:** 27 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/tab-sidebar-we/)
- **Website:** [https://www.nk2.org/amo.html](https://www.nk2.org/amo.html)

## Description

Tab Sidebar is a Chrome extension that enhances your browsing experience by adding a sidebar featuring foldable tabs. This intuitive sidebar helps you organize and access your tabs more efficiently, reducing clutter and improving navigation. The extension supports system icons such as audio indicators, which can be enabled via theme context settings for better visual cues.

Users can customize the appearance of the sidebar with style sheet examples provided on the support site, allowing for a personalized and seamless integration with your browser's theme. Whether you're managing many tabs or prefer a cleaner interface, Tab Sidebar offers a practical and customizable solution.

## Rankings

- #2,986 — Overall
- #291 — Tabs
- #6 — sidebar
- #10 — deepseek sidebar
- #45 — tabellenkalkulation
- #61 — tab

## Permissions and access

### Permissions

- `menus`
- `menus.overrideContext`
- `sessions`
- `storage`
- `tabs`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Low 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 has low user count. Unpopular extensions 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 consistently praise Tab Sidebar for its simplicity, marker tabs, and a lightweight, stable UI that integrates well as a vertical, space-saving sidebar. The main requests center on improving customization (appearance tweaks), handling when icons are missing, and adding features like per-tab persistence or a search/filter for tabs. Overall, it's easy to use and unobtrusive, with room for feature expansion.

### Pros

- Very simple and easy to use.
- Marker tabs and tab grouping help organize tabs effectively.
- Lightweight and stable with a small footprint and reliable performance.
- Space-efficient vertical tabs integrated in a clean, unobtrusive sidebar.

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Source: [Chrome-Stats](https://chrome-stats.com/d/tab-sidebar-we)