# WindowSizer

> Quickly resize the window to one of your favorite sizes

Canonical page: [https://chrome-stats.com/d/windowsizer](https://chrome-stats.com/d/windowsizer)

## Overview

- **ID:** `windowsizer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Dr. Cheap
- **Category:** web-development,appearance
- **Daily users:** 1,367
- **Weekly downloads:** 15
- **Rating:** 4.03 / 5 (40 ratings)
- **Version:** 1.6.0
- **Last updated:** 2025-09-01
- **First published:** 2017-11-15
- **Size:** 62 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/windowsizer/)
- **Website:** [https://github.com/drcheap/WindowSizer](https://github.com/drcheap/WindowSizer)

## Description

WindowSizer is a handy Chrome extension designed for users who need to quickly resize their browser windows to predefined custom sizes. With WindowSizer, you can create presets with specific widths, heights, and custom names tailored to your preferences. The extension provides a toolbar popup menu and customizable shortcut keys, enabling seamless switching between window sizes without interruption.

Key features include the ability to edit and reorder existing presets, quick-fill preset values based on your current window size, backup and restore your settings, and Firefox Sync support for backups. Additionally, WindowSizer offers both light and dark theme icons to match your browser's appearance. This tool streamlines window management for enhanced productivity and ease of use.

## Rankings

- #2,781 — Overall
- #308 — Web Development
- #2 — ctrl+m (windows)
- #19 — size
- #24 — windows
- #70 — exist

## Permissions and access

### Permissions

- `storage`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

WindowSizer is praised for its simplicity, flexibility, and usefulness in customizing Firefox window sizes with saved presets and shortcut support, making it valuable for web developers and users needing precise window dimensions. Common issues include shortcut conflicts especially with Alt key codes, absence of window position controls, loss of presets on reinstall, and inability to adjust page zoom or font size. Despite these drawbacks, it remains a well-maintained, easy-to-use tool.

### Pros

- Allows users to easily resize browser windows to custom dimensions.
- Supports saving window size presets and assigning shortcut keys for quick access.
- Simple, flexible, and easy-to-use interface.
- Still maintained and updated despite being older.
- Helpful for web development and customizing window sizes for specific purposes like gaming or design feedback.

### Cons

- Shortcut key conflicts, especially interfering with Windows Alt key character codes and Mac shortcuts.
- Lacks the ability to specify window position (top and left coordinates) along with size.
- Some users report incorrect or limited detection of current window sizes, causing usability problems.
- Settings or presets are lost when Firefox is reinstalled; no backup or export feature.
- Cannot adjust page zoom or font size, limiting usability for accessibility or readability needs.

## Similar extensions and apps

- [Resize Window Presets](https://chrome-stats.com/d/resize-window-presets) — 1 users
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- [Resize Window](https://chrome-stats.com/d/resize-window-addon)
- [Screen Sizer](https://chrome-stats.com/d/screen-sizer-tool) — 45 users
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- [Minimal Resize Button](https://chrome-stats.com/d/minimal-resize-button)
- [Window Resizer](https://chrome-stats.com/d/window-resizer-1) — 1 users
- [Window Resizer](https://chrome-stats.com/d/window-auto-resizer) — 1 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/windowsizer)