What does ResizeIT do?

ResizeIT focuses on resizing and positioning Firefox windows manually. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use ResizeIT?

ResizeIT is a consumer product built for firefox users who manage multiple window layouts.

Does ResizeIT have a free plan?

Yes — ResizeIT is free to use.

Is ResizeIT still maintained?

Unverified. ResizeIT 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 are alternatives to ResizeIT?

Similar projects tracked by PulseGate include ResizeIT 2, Window Resizer, and Window Resizer.

ResizeIT is developed by Glenn Hallin.

How long has ResizeIT been around?

ResizeIT first shipped in 2006.

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ResizeIT

Name: ResizeIT
Author: Glenn Hallin

mozilla.orgBrowser DevTools & extensions

ResizeIT is a Firefox extension that resizes and positions browser windows using Alt+1 through Alt+4 keyboard shortcuts. It supports pinning windows to screen locations and saving values in two profiles.

FreeWebEmbeddableWindowsmacOSLinux

Visit mozilla.org

1alternative

5features

2006since

Overview

5 features

ResizeIT is a Browser DevTools & extensions project. It focuses on resizing and positioning Firefox windows manually. It is built as a consumer product for firefox users who manage multiple window layouts. ResizeIT costs nothing to use. It runs on the web, embeddable surfaces, Windows, macOS, and Linux.

It is developed by Glenn Hallin, and it first shipped in 2006. Key capabilities include keyboard shortcuts, window resizing, and window positioning. The interface is available in 32 languages, including Czech, German, and Greek.

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

Keyboard shortcuts
Window resizing
Window positioning
Window pinning
Saved profiles

Built with & integrations

Runs on

BrowserEmbeddableWindowsmacOSLinux

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed10 Sept · 06:23 UTC
ResizeIT verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about ResizeIT

What does ResizeIT do?: ResizeIT focuses on resizing and positioning Firefox windows manually. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use ResizeIT?: ResizeIT is a consumer product built for firefox users who manage multiple window layouts.
Does ResizeIT have a free plan?: Yes — ResizeIT is free to use.
What platforms does ResizeIT run on?: ResizeIT runs on the web, embeddable surfaces, Windows, macOS, and Linux.
Is ResizeIT still maintained?: Unverified. ResizeIT 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 are alternatives to ResizeIT?: Similar projects tracked by PulseGate include ResizeIT 2, Window Resizer, and Window Resizer.ResizeIT 2 Window Resizer Window Resizer
Who makes ResizeIT?: ResizeIT is developed by Glenn Hallin.
How long has ResizeIT been around?: ResizeIT first shipped in 2006.

At a glance

Pricing: Free
Platforms: Web
First seen: 10 Sept 2026
Built for: Firefox users who manage multiple window layouts
Model: B2C
Solves: Resizing and positioning Firefox windows manually.

Registered as

Firefox Add-ons: resizeit

Developer

Glenn Hallin

Index record

Indexed: 10 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 10 Sept 2026

Identity audit (13)

Slug: resizeit-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 (no inferred launch/funding milestones).
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/resizeit

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