Download Ultimate SEO

Name: Ultimate SEO
Author: IDEAMAX

By: IDEAMAX

Download Ultimate SEO (current and past versions) for Firefox

Latest Version: 1.2.0 Updated: 4 months ago

Ready to install?

Ultimate SEO is available to install from Firefox Add-ons Store and for download from this page.

View source code

Daily users

5.0

1 ratings

Total downloads

Available versions

You can find the current and older versions of Ultimate SEO 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	Download count	Timestamp
1.2.0	XPI · ZIP · Source code	39.82KB	0	2026-02-23
1.0.0	XPI · ZIP · Source code	34.50KB	0	2026-02-21

2026-02-23 · 0 downloads

XPI ZIP Source code

2026-02-21 · 0 downloads

XPI ZIP Source code

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