Download Custom Window Resizer

Name: Custom Window Resizer
Author: GenXJay

By: GenXJay

Download Custom Window Resizer (current and past versions) for Firefox

Latest Version: 3.0 Updated: 4 months ago

Ready to install?

Custom Window Resizer is available to install from Firefox Add-ons Store and for download from this page.

View source code

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Total downloads

Available versions

You can find the current and older versions of Custom Window Resizer here. You can download the archived versions or inspect their source codes.

As a free user, you can download up to 3 latest versions.

Upgrade to download older versions

Version	Download	Size	Timestamp
3.0	XPI · ZIP · Source code	60.49KB	2026-02-24
2.0	XPI · ZIP · Source code	56.68KB	2025-05-03
1.8.1	XPI · ZIP · Source code	50.36KB	2025-05-01
1.8.0	Paid users only	50.14KB	2025-04-29
1.7.0	Paid users only	45.46KB	2025-04-23

2026-02-24 · 0 downloads

XPI ZIP Source code

2025-05-03 · 0 downloads

XPI ZIP Source code

2025-05-01 · 0 downloads

XPI ZIP Source code

2025-04-29 · 0 downloads

Paid users only

2025-04-23 · 0 downloads

Paid users only

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

Download the Custom Window Resizer ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Custom Window Resizer ZIP file from step 1. Custom Window Resizer is now installed on your browser.