Latest Version:
2.0 Updated:
7 years ago Removed
Ready to install?
KingSize is available for download. Be careful when installing it.
Available versions
You can find the current and older versions of KingSize 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 |
|---|---|---|---|---|
| 2.0 | XPI · ZIP · Source code | 37.87KB | 0 | 2019-05-15 |
2.0 37.87KB
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 KingSize ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the KingSize ZIP file from step 1. KingSize is now installed on your browser.
Best KingSize Alternatives
Here are some Firefox add-ons that are similar to KingSize:
XLspecial
xlspecial
Boxes of Size
Firefox user 14032441
king style
mus_tafa
SquareWhite
Ludi
Boss Small
Boss
Square Black
slash24
World of BiggestDD
Firefox user 11199798
Small_Grey
nosper
Big Black
johnhersh2
big
Firefox user 14071954
BlueBlackSolid
Firefox user 13448848
BangBig
Akimoto