Download Site Slayer

Name: Site Slayer
Author: Nasser Daoud

By: Nasser Daoud

Download Site Slayer (current and past versions) for Firefox

Latest Version: 1.9 Updated: 2 months ago

Ready to install?

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

View source code

Daily users

5.0

1 ratings

Total downloads

Available versions

You can find the current and older versions of Site Slayer 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
1.9	XPI · ZIP · Source code	40.45MB	2026-05-16
1.8	XPI · ZIP · Source code	18.83MB	2026-02-23
1.7	XPI · ZIP · Source code	17.35MB	2026-02-02
1.6	Paid users only	17.34MB	2026-01-21
1.5	Paid users only	1.21MB	2025-12-22
1.4	Paid users only	1.21MB	2025-12-14
1.3	Paid users only	1.19MB	2025-12-14

2026-05-16 · 0 downloads

XPI ZIP Source code

2026-02-23 · 0 downloads

XPI ZIP Source code

2026-02-02 · 0 downloads

XPI ZIP Source code

2026-01-21 · 0 downloads

Paid users only

2025-12-22 · 0 downloads

Paid users only

2025-12-14 · 0 downloads

Paid users only

2025-12-14 · 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 Site Slayer ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Site Slayer ZIP file from step 1. Site Slayer is now installed on your browser.