Download CheckMyHTTPS

Name: CheckMyHTTPS
Author: CheckMyHTTPS Team

By: CheckMyHTTPS Team

Download CheckMyHTTPS (current and past versions) for Firefox

Latest Version: 5.8.0 Updated: 2 months ago

Ready to install?

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

View source code

163

Daily users

4.4

10 ratings

Total downloads

Available versions

You can find the current and older versions of CheckMyHTTPS 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
5.8.0	XPI · ZIP · Source code	64.35KB	0	2026-04-16
5.7.33	XPI · ZIP · Source code	62.02KB	0	2026-03-21
5.7.32	XPI · ZIP · Source code	159.08KB	0	2026-01-07
5.7.31	Paid users only	61.42KB	0	2025-12-12
5.7.2	Paid users only	58.35KB	0	2025-09-14
5.7.1	Paid users only	60.59KB	1	2024-02-04
5.7.0	Paid users only	60.09KB	0	2022-08-31
5.6.0	Paid users only	56.84KB	0	2022-01-28

2026-04-16 · 0 downloads

XPI ZIP Source code

2026-03-21 · 0 downloads

XPI ZIP Source code

2026-01-07 · 0 downloads

XPI ZIP Source code

2025-12-12 · 0 downloads

Paid users only

2025-09-14 · 0 downloads

Paid users only

2024-02-04 · 1 downloads

Paid users only

2022-08-31 · 0 downloads

Paid users only

2022-01-28 · 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 CheckMyHTTPS ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the CheckMyHTTPS ZIP file from step 1. CheckMyHTTPS is now installed on your browser.