Latest Version:
1.1 Updated:
5 years ago Removed
Ready to install?
Koyu is available for download. Be careful when installing it.
Available versions
You can find the current and older versions of Koyu 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 |
|---|---|---|---|---|
| 1.1 | XPI · ZIP · Source code | 7.59KB | 0 | 2021-11-27 |
1.1 7.59KB
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 Koyu ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the Koyu ZIP file from step 1. Koyu is now installed on your browser.
Best Koyu Alternatives
Here are some Firefox add-ons that are similar to Koyu:
Pinkish Red
Saran K
Sky Blue and White
kj
TrueBlueGrey
TLan
Monokai Dark Soda - Pink
DJHero2903
Purple, Pink, and Black Theme
NERD_NATO
Pastel pink and green
Sukinichi
ko-Z Browser Theme
Faceman
TrueGreyBlue
TLan
Foxy Orange
Arthur
Reliefox Cyan
TheNils23
Solid Black & Yellow
101lols
Akiko's Pastel Paradise
Akiko Kumagara