Download HackDuck - HTTP Request Debugger

Name: HackDuck - HTTP Request Debugger
Author: fxe00

By: fxe00 Add-on

Download HackDuck - HTTP Request Debugger (current and past versions) for Firefox

Latest Version: 1.1.8 Updated: 7 months ago

Ready to install?

HackDuck - HTTP Request Debugger 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 HackDuck - HTTP Request Debugger 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
1.1.8	XPI · ZIP · Source code	3.43MB	2026-01-12
1.1.6	XPI · ZIP · Source code	3.40MB	2026-01-08
1.1.0	XPI · ZIP · Source code	3.36MB	2025-10-12

2026-01-12 · 0 downloads

XPI ZIP Source code

2026-01-08 · 0 downloads

XPI ZIP Source code

2025-10-12 · 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 HackDuck - HTTP Request Debugger ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the HackDuck - HTTP Request Debugger ZIP file from step 1. HackDuck - HTTP Request Debugger is now installed on your browser.