Who should use Split-Screen Browser Tool?

Split-Screen Browser Tool is a consumer product built for firefox users who multitask, research, or compare websites.

Is Split-Screen Browser Tool free?

Yes — Split-Screen Browser Tool is free to use.

What platforms does Split-Screen Browser Tool run on?

Split-Screen Browser Tool runs on the web and embeddable surfaces.

Is Split-Screen Browser Tool still active?

Unverified. Split-Screen Browser Tool 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 Split-Screen Browser Tool?

Similar projects tracked by PulseGate include Side by Side, Multi Split View, and Splitser.

Who makes Split-Screen Browser Tool?

Split-Screen Browser Tool is developed by Reginalds.

When did Split-Screen Browser Tool launch?

Split-Screen Browser Tool first shipped in 2024.

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Split-Screen Browser Tool

Name: Split-Screen Browser Tool
Author: Reginalds

mozilla.orgBrowser DevTools & extensions

Split-Screen Browser Tool is a Firefox extension that opens two user-specified websites in separate tabs for side-by-side viewing. It supports multitasking, research, and comparison shopping by reducing manual tab switching.

FreeWebEmbeddable

Visit mozilla.org

Overview

5 features

In the Browser DevTools & extensions space, Split-Screen Browser Tool takes a focused approach. It focuses on viewing and comparing two websites without repeatedly switching between browser tabs. It is built as a consumer product for firefox users who multitask, research, or compare websites. Split-Screen Browser Tool costs nothing to use. It ships for the web and embeddable surfaces.

Reginalds builds and maintains Split-Screen Browser Tool, and it first shipped in 2024. Key capabilities include split-screen viewing, two website URLs, and separate tabs. The interface is available in 32 languages, including Czech, German, and Greek.

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

Split-screen viewing
Two website URLs
Separate tabs
Website comparison
Multitasking support

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed10 Sep · 14:43 UTC
Split-Screen Browser Tool verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Split-Screen Browser Tool

What is Split-Screen Browser Tool?: Split-Screen Browser Tool focuses on viewing and comparing two websites without repeatedly switching between browser tabs. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Split-Screen Browser Tool?: Split-Screen Browser Tool is a consumer product built for firefox users who multitask, research, or compare websites.
Is Split-Screen Browser Tool free?: Yes — Split-Screen Browser Tool is free to use.
What platforms does Split-Screen Browser Tool run on?: Split-Screen Browser Tool runs on the web and embeddable surfaces.
Is Split-Screen Browser Tool still active?: Unverified. Split-Screen Browser Tool 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 Split-Screen Browser Tool?: Similar projects tracked by PulseGate include Side by Side, Multi Split View, and Splitser.Side by Side Multi Split View Splitser
Who makes Split-Screen Browser Tool?: Split-Screen Browser Tool is developed by Reginalds.
When did Split-Screen Browser Tool launch?: Split-Screen Browser Tool first shipped in 2024.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who multitask, research, or compare websites
Model: B2C
Solves: Viewing and comparing two websites without repeatedly switching between browser tabs.

Registered as

Firefox Add-ons: split-screen-browser-tool

Developer

Reginalds

Index record

Indexed: 10 Sep 2026
Lifecycle: Alive
Last seen: 10 Sep 2026

Identity audit (13)

Slug: split-screen-browser-tool-mozilla-org
Lifecycle state recorded: 10 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 10 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: 10 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/split-screen-browser-tool

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