Download Image Optimizer Pro

Name: Image Optimizer Pro
Author: Evgeniy Fitsner

By: Evgeniy Fitsner

Download Image Optimizer Pro (current and past versions) for Firefox

Latest Version: 1.0.19 Updated: 2 days ago

Ready to install?

Image Optimizer Pro 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 Image Optimizer Pro 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
1.0.19	XPI · ZIP · Source code	1.61MB	2026-06-11
1.0.16	XPI · ZIP · Source code	1.61MB	2026-06-06
1.0.15	XPI · ZIP · Source code	1.61MB	2026-05-27
1.0.12	Paid users only	1.61MB	2026-05-23
1.0.11	Paid users only	1.61MB	2026-05-13

2026-06-11 · 0 downloads

XPI ZIP Source code

2026-06-06 · 0 downloads

XPI ZIP Source code

2026-05-27 · 0 downloads

XPI ZIP Source code

2026-05-23 · 0 downloads

Paid users only

2026-05-13 · 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 Image Optimizer Pro ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Image Optimizer Pro ZIP file from step 1. Image Optimizer Pro is now installed on your browser.