WebBrain Firefox

Download WebBrain

Download WebBrain (current and past versions) for Firefox
Latest Version: 22.1.3 Updated: 2 days ago

Ready to install?

WebBrain is available to install from Firefox Add-ons Store and for download from this page.
View source code
43
Daily users
5.0
1 ratings
0
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
VersionDownloadSizeDownload countTimestamp
22.1.3XPI · ZIP · Source code2.01MB02026-07-09
21.5.0XPI · ZIP · Source code1.93MB02026-07-05
20.5.6XPI · ZIP · Source code1.90MB02026-07-04
20.1.1Paid users only1.77MB02026-07-03
17.7.1Paid users only1.69MB02026-06-27
17.2.1Paid users only1.67MB02026-06-24
17.1.1Paid users only1.65MB02026-06-24
14.0.2Paid users only1.57MB02026-06-19
11.0.1Paid users only1.54MB02026-05-31
8.8.0Paid users only1.45MB02026-05-28
8.1.6Paid users only1.36MB02026-05-26
7.3.2Paid users only1.33MB02026-05-22
7.3.1Paid users only1.33MB02026-05-21
7.0.0Paid users only1.23MB02026-05-12
22.1.3 2.01MB
2026-07-09 · 0 downloads
XPI ZIP Source code
21.5.0 1.93MB
2026-07-05 · 0 downloads
XPI ZIP Source code
20.5.6 1.90MB
2026-07-04 · 0 downloads
XPI ZIP Source code
20.1.1 1.77MB
2026-07-03 · 0 downloads
Paid users only
17.7.1 1.69MB
2026-06-27 · 0 downloads
Paid users only
17.2.1 1.67MB
2026-06-24 · 0 downloads
Paid users only
17.1.1 1.65MB
2026-06-24 · 0 downloads
Paid users only
14.0.2 1.57MB
2026-06-19 · 0 downloads
Paid users only
11.0.1 1.54MB
2026-05-31 · 0 downloads
Paid users only
8.8.0 1.45MB
2026-05-28 · 0 downloads
Paid users only
8.1.6 1.36MB
2026-05-26 · 0 downloads
Paid users only
7.3.2 1.33MB
2026-05-22 · 0 downloads
Paid users only
7.3.1 1.33MB
2026-05-21 · 0 downloads
Paid users only
7.0.0 1.23MB
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.

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