English (US) dictionary based on the official Mozilla dictionary.
English (US) Dictionary is available to install from Firefox Browser Add-ons and for download from this page. It has 160,749 active users The latest version is 128.20240528, and it was published 7 months ago.
Install from Firefox Browser Add-onsTotal download count: 0
All available versions
You can find the current and older versions of English (US) Dictionary 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
4 versions available for download. Install XPI file
- Simply drag-and-drop the XPI into Firefox to install the add-on.
Install ZIP file
- Download the English (US) Dictionary ZIP file
- In Firefox browser, go to
about:addons
to open Add-ons Manager - Click on , then select Install Add-on From File
- Select the English (US) Dictionary ZIP file from step 1. English (US) Dictionary is now installed on your browser.