What does Window Resizer do?

Window Resizer focuses on testing responsive website layouts without manually resizing browser windows. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use Window Resizer?

Window Resizer is a B2B product built for web developers and designers.

Is Window Resizer free?

Yes — Window Resizer is free to use.

What platforms does Window Resizer run on?

Window Resizer runs on the web and embeddable surfaces.

Is Window Resizer still maintained?

Unverified. Window Resizer 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 Window Resizer?

Similar projects tracked by PulseGate include Window Resizer, Resize Window & Viewport, and WindowSizer.

Who develops Window Resizer?

Window Resizer is developed by Softpulse Infotech.

How long has Window Resizer been around?

Window Resizer first shipped in 2023.

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Window Resizer

Name: Window Resizer
Author: Softpulse Infotech

mozilla.orgBrowser DevTools & extensions

Window Resizer is a Firefox browser extension that resizes browser windows or tabs to preset mobile, desktop, tablet, and custom dimensions. It supports adding and deleting sizes, rotating layouts, and testing websites across different viewport configurations for web developers and designers.

FreeWebEmbeddableCloud-managed

Visit mozilla.org

1alternative

7features

2023since

Overview

7 features

In the Browser DevTools & extensions space, Window Resizer takes a focused approach. It focuses on testing responsive website layouts without manually resizing browser windows. Window Resizer is a B2B product aimed at web developers and designers. Window Resizer is free to use. It ships for the web and embeddable surfaces.

Softpulse Infotech builds and maintains Window Resizer, and it first shipped in 2023. Key capabilities include preset sizes, custom dimensions, and window resizing. The interface is available in 32 languages, including Czech, German, and Greek.

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

Preset sizes
Custom dimensions
Window resizing
Layout rotation
Add sizes
Delete sizes
Responsive testing

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

Indexed9 Sept · 23:10 UTC
نافذة ريسيزر verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Window Resizer

What does Window Resizer do?: Window Resizer focuses on testing responsive website layouts without manually resizing browser windows. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Window Resizer?: Window Resizer is a B2B product built for web developers and designers.
Is Window Resizer free?: Yes — Window Resizer is free to use.
What platforms does Window Resizer run on?: Window Resizer runs on the web and embeddable surfaces.
Is Window Resizer still maintained?: Unverified. Window Resizer 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 Window Resizer?: Similar projects tracked by PulseGate include Window Resizer, Resize Window & Viewport, and WindowSizer.Window Resizer Resize Window & Viewport WindowSizer
Who develops Window Resizer?: Window Resizer is developed by Softpulse Infotech.
How long has Window Resizer been around?: Window Resizer first shipped in 2023.

At a glance

Pricing: Free
Platforms: Web
Built for: web developers and designers
Model: B2B
Solves: Testing responsive website layouts without manually resizing browser windows.

Registered as

Firefox Add-ons: window-resizer

Developer

Softpulse Infotech

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
Last seen: 9 Sept 2026

Identity audit (13)

Slug: window-resizer-mozilla-org-a4rl4
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 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: 9 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/window-resizer

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