Download Writesonic Assistant

Name: Writesonic Assistant
Author: writesonic-assistant

By: writesonic-assistant

Download Writesonic Assistant (current and past versions) for Firefox

Latest Version: 1.0 Updated: a year ago

Ready to install?

Writesonic Assistant is available to install from Firefox Add-ons Store and for download from this page.

View source code

Daily users

—

No ratings yet

Total downloads

Available versions

You can find the current and older versions of Writesonic Assistant 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
1.0	XPI · ZIP · Source code	20.03KB	0	2025-07-13

2025-07-13 · 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 Writesonic Assistant ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Writesonic Assistant ZIP file from step 1. Writesonic Assistant is now installed on your browser.