Download Spectrum

Name: Spectrum
Author: Alextimka

By: Alextimka

Download Spectrum (current and past versions) for Firefox

Latest Version: 1.5.2 Updated: 2 years ago

Ready to install?

Spectrum 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 Spectrum 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
1.5.2	XPI · ZIP · Source code	28.16KB	2024-11-15
1.5.1	XPI · ZIP · Source code	26.84KB	2024-10-10
1.5.0	XPI · ZIP · Source code	26.87KB	2024-10-02
1.4.9	Paid users only	26.74KB	2024-05-25
1.4.7	Paid users only	26.46KB	2024-05-22
1.4.4	Paid users only	26.33KB	2024-05-12

2024-11-15 · 0 downloads

XPI ZIP Source code

2024-10-10 · 0 downloads

XPI ZIP Source code

2024-10-02 · 0 downloads

XPI ZIP Source code

2024-05-25 · 0 downloads

Paid users only

2024-05-22 · 0 downloads

Paid users only

2024-05-12 · 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 Spectrum ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Spectrum ZIP file from step 1. Spectrum is now installed on your browser.