AT helper Firefox

Download AT helper

Download AT helper (current and past versions) for Firefox
Latest Version: 1.2.3 Updated: 2 years ago

Ready to install?

AT helper is available to install from Firefox Add-ons Store and for download from this page.
View source code
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Available versions

You can find the current and older versions of AT helper 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
1.2.3XPI · ZIP · Source code55.06KB02024-05-04
1.2.2XPI · ZIP · Source code55.01KB02024-05-03
1.2.1XPI · ZIP · Source code54.68KB02024-04-26
1.2.0Paid users only54.54KB02024-04-21
1.1.2Paid users only46.41KB02024-04-14
1.1.1Paid users only46.12KB02024-04-12
1.1.0Paid users only46.01KB02024-04-09
1.0.1Paid users only26.39KB02024-03-26
1.0.0Paid users only25.12KB02024-03-24
1.2.3 55.06KB
2024-05-04 · 0 downloads
XPI ZIP Source code
1.2.2 55.01KB
2024-05-03 · 0 downloads
XPI ZIP Source code
1.2.1 54.68KB
2024-04-26 · 0 downloads
XPI ZIP Source code
1.2.0 54.54KB
2024-04-21 · 0 downloads
Paid users only
1.1.2 46.41KB
2024-04-14 · 0 downloads
Paid users only
1.1.1 46.12KB
2024-04-12 · 0 downloads
Paid users only
1.1.0 46.01KB
2024-04-09 · 0 downloads
Paid users only
1.0.1 26.39KB
2024-03-26 · 0 downloads
Paid users only
1.0.0 25.12KB
2024-03-24 · 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 AT helper ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the AT helper ZIP file from step 1. AT helper is now installed on your browser.

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