Download RSS Harpoon

Name: RSS Harpoon
Author: S.R. Drouin

By: S.R. Drouin Add-on

Download RSS Harpoon (current and past versions) for Firefox

Latest Version: 1.0.0 Updated: 4 days ago

Ready to install?

RSS Harpoon 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 RSS Harpoon 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	Download count	Timestamp
1.0.0	XPI · ZIP · Source code	14.18KB	0	2026-07-27

2026-07-27 · 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 RSS Harpoon ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the RSS Harpoon ZIP file from step 1. RSS Harpoon is now installed on your browser.