Who is Multi Split View for?

Multi Split View is a consumer product built for firefox users who need side-by-side browsing and multitasking.

Does Multi Split View have a free plan?

Yes — Multi Split View is free to use.

What platforms does Multi Split View run on?

Multi Split View runs on the web and embeddable surfaces.

Is Multi Split View still maintained?

Unverified. Multi Split View 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.

Who develops Multi Split View?

Multi Split View is developed by Théo Ascensio.

How long has Multi Split View been around?

Multi Split View first shipped in 2025.

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Multi Split View

Name: Multi Split View
Author: Théo Ascensio

mozilla.orgBrowser DevTools & extensions

Multi Split View is a Firefox extension that displays up to four selected web pages side-by-side. It supports an iframe-based single-tab layout and tiled browser windows while preserving normal browser features such as extensions and password managers.

FreeWebEmbeddable

Visit mozilla.org

Overview

6 features

Multi Split View is a Browser DevTools & extensions project. It focuses on viewing and comparing multiple web pages without repeatedly switching between browser tabs. It is built as a consumer product for firefox users who need side-by-side browsing and multitasking. Multi Split View costs nothing to use. It ships for the web and embeddable surfaces.

It is developed by Théo Ascensio, and it first shipped in 2025. Key capabilities include four-page split view, single-tab mode, and window tiling. The interface is available in 32 languages, including Czech, German, and Greek.

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

Four-page split view
Single-tab mode
Window tiling
Tab selection
Configurable layouts
Side-by-side comparison

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

Indexed8 Sept · 09:16 UTC
Multi Split View verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Multi Split View

What is Multi Split View?: Multi Split View focuses on viewing and comparing multiple web pages without repeatedly switching between browser tabs. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is Multi Split View for?: Multi Split View is a consumer product built for firefox users who need side-by-side browsing and multitasking.
Does Multi Split View have a free plan?: Yes — Multi Split View is free to use.
What platforms does Multi Split View run on?: Multi Split View runs on the web and embeddable surfaces.
Is Multi Split View still maintained?: Unverified. Multi Split View 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.
Who develops Multi Split View?: Multi Split View is developed by Théo Ascensio.
How long has Multi Split View been around?: Multi Split View first shipped in 2025.
What languages does Multi Split View support?: The interface is available in 32 languages, including Czech, German, and Greek.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who need side-by-side browsing and multitasking
Model: B2C
Solves: Viewing and comparing multiple web pages without repeatedly switching between browser tabs.

Registered as

Firefox Add-ons: multi-split-view

Developer

Théo Ascensio

Index record

Indexed: 8 Sept 2026
Lifecycle: Alive
Last seen: 8 Sept 2026

Identity audit (13)

Slug: multi-split-view-mozilla-org
Lifecycle state recorded: 8 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 8 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: 8 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/multi-split-view

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