Download Nightspar — Vocabulary Flashcards, Any Page

Name: Nightspar — Vocabulary Flashcards, Any Page
Author: Nightspar

By: Nightspar Add-on

Download Nightspar — Vocabulary Flashcards, Any Page (current and past versions) for Firefox

Latest Version: 1.2.1 Updated: 23 days ago

Ready to install?

Nightspar — Vocabulary Flashcards, Any Page is available to install from Firefox Add-ons Store and for download from this page.

View source code

Available versions

You can find the current and older versions of Nightspar — Vocabulary Flashcards, Any Page 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
1.2.1	XPI · ZIP · Source code	1.03MB	0	2026-08-09

2026-08-09 · 0 downloads

XPI ZIP Source code

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 Nightspar — Vocabulary Flashcards, Any Page ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Nightspar — Vocabulary Flashcards, Any Page ZIP file from step 1. Nightspar — Vocabulary Flashcards, Any Page is now installed on your browser.