Download AT Protocol Handler

Name: AT Protocol Handler
Author: corkiejp

By: corkiejp Add-on

Download AT Protocol Handler (current and past versions) for Firefox

Latest Version: 1.1.4 Updated: 3 days ago

Ready to install?

AT Protocol Handler 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 AT Protocol Handler 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
1.1.4	XPI · ZIP · Source code	658.30KB	2026-08-21
1.1.2	XPI · ZIP · Source code	28.96KB	2026-08-12
1.1.1	XPI · ZIP · Source code	17.19KB	2026-08-09
1.1.0	Paid users only	17.14KB	2026-04-05
1.0.9	Paid users only	268.18KB	2025-07-18

2026-08-21 · 0 downloads

XPI ZIP Source code

2026-08-12 · 0 downloads

XPI ZIP Source code

2026-08-09 · 0 downloads

XPI ZIP Source code

2026-04-05 · 0 downloads

Paid users only

2025-07-18 · 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 Protocol Handler ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the AT Protocol Handler ZIP file from step 1. AT Protocol Handler is now installed on your browser.