Secure Kit Firefox

Download Secure Kit

Download Secure Kit (current and past versions) for Firefox
Latest Version: 1.3.5 Updated: 7 days ago

Ready to install?

Secure Kit is available to install from Firefox Add-ons Store and for download from this page.
View source code
215
Daily users
4.2
34 ratings
3
Total downloads

Available versions

You can find the current and older versions of Secure Kit 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
VersionDownloadSizeDownload countTimestamp
1.3.5XPI · ZIP · Source code653.43KB02026-06-15
1.3.4XPI · ZIP · Source code653.45KB02026-03-24
1.3.3XPI · ZIP · Source code652.86KB02025-12-13
1.3.2Paid users only652.18KB02025-06-11
1.3.1Paid users only653.23KB02025-05-19
1.3.0Paid users only637.00KB32024-09-05
1.2.9Paid users only636.80KB02023-10-26
1.2.8Paid users only636.81KB02023-07-18
1.2.7Paid users only636.55KB02023-06-04
1.2.6Paid users only631.45KB02023-05-02
1.2.5Paid users only631.15KB02023-04-03
1.2.4Paid users only627.01KB02023-03-04
1.2.3Paid users only626.94KB02023-01-31
1.2.2Paid users only617.35KB02023-01-30
1.2.1Paid users only625.17KB02022-12-28
1.2.0Paid users only625.14KB02022-09-15
1.1.9Paid users only625.54KB02022-02-10
1.3.5 653.43KB
2026-06-15 · 0 downloads
XPI ZIP Source code
1.3.4 653.45KB
2026-03-24 · 0 downloads
XPI ZIP Source code
1.3.3 652.86KB
2025-12-13 · 0 downloads
XPI ZIP Source code
1.3.2 652.18KB
2025-06-11 · 0 downloads
Paid users only
1.3.1 653.23KB
2025-05-19 · 0 downloads
Paid users only
1.3.0 637.00KB
2024-09-05 · 3 downloads
Paid users only
1.2.9 636.80KB
2023-10-26 · 0 downloads
Paid users only
1.2.8 636.81KB
2023-07-18 · 0 downloads
Paid users only
1.2.7 636.55KB
2023-06-04 · 0 downloads
Paid users only
1.2.6 631.45KB
2023-05-02 · 0 downloads
Paid users only
1.2.5 631.15KB
2023-04-03 · 0 downloads
Paid users only
1.2.4 627.01KB
2023-03-04 · 0 downloads
Paid users only
1.2.3 626.94KB
2023-01-31 · 0 downloads
Paid users only
1.2.2 617.35KB
2023-01-30 · 0 downloads
Paid users only
1.2.1 625.17KB
2022-12-28 · 0 downloads
Paid users only
1.2.0 625.14KB
2022-09-15 · 0 downloads
Paid users only
1.1.9 625.54KB
2022-02-10 · 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 Secure Kit ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the Secure Kit ZIP file from step 1. Secure Kit is now installed on your browser.

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