Download HFX

Name: HFX
Author: xadamxk

By: xadamxk

Download HFX (current and past versions) for Firefox

Latest Version: 3.2.1 Updated: 8 months ago

Ready to install?

HFX is available to install from Firefox Add-ons Store and for download from this page.

View source code

Daily users

4.8

11 ratings

Total downloads

Available versions

You can find the current and older versions of HFX 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
3.2.1	XPI · ZIP · Source code	442.18KB	2025-11-04
2.7.0	XPI · ZIP · Source code	1.37MB	2023-01-27
2.6.0	XPI · ZIP · Source code	1.33MB	2022-12-04
2.5.1	Paid users only	1.32MB	2022-08-08
2.5.0	Paid users only	1.32MB	2022-08-06
2.4.0	Paid users only	1.31MB	2022-01-21

2025-11-04 · 0 downloads

XPI ZIP Source code

2023-01-27 · 0 downloads

XPI ZIP Source code

2022-12-04 · 0 downloads

XPI ZIP Source code

2022-08-08 · 0 downloads

Paid users only

2022-08-06 · 0 downloads

Paid users only

2022-01-21 · 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.