Background-21 Butterfly
Background-21 Butterfly is available to install from Firefox Browser Add-ons and for download from this page. It has 1 daily users. The latest version is 2.0, and it was last updated 6 years ago.
Total download count: 0 (Only count downloads from Firefox-Stats)
Available versions
You can find the current and older versions of Background-21 Butterfly here. You can download the archived versions or inspect their source codes.
As a free user, you can only download the latest version.
Upgrade to download older versions
| Version | Download | Size | Download count | Timestamp |
|---|---|---|---|---|
| 2.0 | XPI · ZIP · Source code | 103.46K | 0 | 2019-05-13 |
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 Background-21 Butterfly ZIP file
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on , then select Install Add-on From File
- Select the Background-21 Butterfly ZIP file from step 1. Background-21 Butterfly is now installed on your browser.
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