Latest Version:
1.0.0 Updated:
10 months ago Removed
Ready to install?
SpectraSync is available for download. Be careful when installing it.
Available versions
You can find the current and older versions of SpectraSync 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 |
|---|---|---|---|---|
| 1.0.0 | XPI · ZIP · Source code | 14.20KB | 0 | 2025-09-13 |
1.0.0 14.20KB
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 SpectraSync ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the SpectraSync ZIP file from step 1. SpectraSync is now installed on your browser.
Best SpectraSync Alternatives
Here are some Firefox add-ons that are similar to SpectraSync:
Ambient Theme by Site Colour
Manikandan D
ColorShift
DPende
Quick Link Highlighter
KJC
ColorTabs For Firefox
Tetryl
StyleShift
weeiwrsa
Page Highlighter
IBET68
Theme Customizer - for Firefox
HaSa-Tools
Tint (formerly Colorful Windows Enhanced)
A-Layer
Page Color Changer
Soft Rank Links
Spectrum of Colors
jclarss
Selection Colors
Robustus
Toggle dark mode
Cimbali