Who should use Sidebar Tab?

Sidebar Tab is a consumer product built for firefox users who multitask while browsing.

Does Sidebar Tab have a free plan?

Yes — Sidebar Tab is free to use.

What platforms does Sidebar Tab run on?

Sidebar Tab runs on the web and embeddable surfaces.

Is Sidebar Tab still active?

Unverified. Sidebar Tab has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to Sidebar Tab?

Similar projects tracked by PulseGate include Tab in Side, Sidebery, and Tip Tab.

Who develops Sidebar Tab?

Sidebar Tab is developed by Shailendra.

When did Sidebar Tab launch?

Sidebar Tab first shipped in 2024.

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Sidebar Tab

Name: Sidebar Tab
Author: Shailendra

mozilla.orgBrowser DevTools & extensions

Sidebar Tab is a Firefox extension that opens HTTP and HTTPS websites inside a dedicated browser sidebar. It includes navigation controls, desktop and mobile view toggles, keyboard shortcuts, and options for opening sidebar tabs in the foreground or background.

FreeWebEmbeddableCloud-managed

Visit mozilla.org

Overview

8 features

Sidebar Tab is a Browser DevTools & extensions project. It focuses on browsing multiple websites side by side without constantly switching between tabs or windows. It is built as a consumer product for firefox users who multitask while browsing. Sidebar Tab is free to use. It runs on the web and embeddable surfaces.

It is developed by Shailendra, and it first shipped in 2024. Key capabilities include sidebar browsing, custom navigation bar, and desktop view toggle. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

Sidebar browsing
Custom navigation bar
Desktop view toggle
Mobile view toggle
Keyboard shortcuts
Background tab opening
Foreground tab opening
URL copying

Built with & integrations

Runs on

BrowserEmbeddableCloud-managed

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed11 Sept · 15:51 UTC
Sidebar Tab verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Sidebar Tab

What does Sidebar Tab do?: Sidebar Tab focuses on browsing multiple websites side by side without constantly switching between tabs or windows. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Sidebar Tab?: Sidebar Tab is a consumer product built for firefox users who multitask while browsing.
Does Sidebar Tab have a free plan?: Yes — Sidebar Tab is free to use.
What platforms does Sidebar Tab run on?: Sidebar Tab runs on the web and embeddable surfaces.
Is Sidebar Tab still active?: Unverified. Sidebar Tab has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to Sidebar Tab?: Similar projects tracked by PulseGate include Tab in Side, Sidebery, and Tip Tab.Tab in Side Sidebery Tip Tab
Who develops Sidebar Tab?: Sidebar Tab is developed by Shailendra.
When did Sidebar Tab launch?: Sidebar Tab first shipped in 2024.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who multitask while browsing
Model: B2C
Solves: Browsing multiple websites side by side without constantly switching between tabs or windows.

Registered as

Firefox Add-ons: sidebar-tab

Developer

Shailendra

Index record

Indexed: 11 Sept 2026
Lifecycle: Alive
Last seen: 11 Sept 2026

Identity audit (13)

Slug: sidebar-tab-mozilla-org
Lifecycle state recorded: 11 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 11 Sept 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 11 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/sidebar-tab

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