Download WebBrain

Name: WebBrain
Author: Emre Sokullu

By: Emre Sokullu

Download WebBrain (current and past versions) for Firefox

Latest Version: 11.0.1 Updated: 17 days ago

Ready to install?

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

View source code

Daily users

5.0

1 ratings

Total downloads

Available versions

You can find the current and older versions of WebBrain 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	Timestamp
11.0.1	XPI · ZIP · Source code	1.54MB	2026-05-31
8.8.0	XPI · ZIP · Source code	1.45MB	2026-05-28
8.1.6	XPI · ZIP · Source code	1.36MB	2026-05-26
7.3.2	Paid users only	1.33MB	2026-05-22
7.3.1	Paid users only	1.33MB	2026-05-21
7.0.0	Paid users only	1.23MB	2026-05-12

2026-05-31 · 0 downloads

XPI ZIP Source code

2026-05-28 · 0 downloads

XPI ZIP Source code

2026-05-26 · 0 downloads

XPI ZIP Source code

2026-05-22 · 0 downloads

Paid users only

2026-05-21 · 0 downloads

Paid users only

2026-05-12 · 0 downloads

Paid users only

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