Firefox Browser Add-ons
Log in
Add-on icon

UltimaDark - The Fastest Dark Mode Extension version history - 25 versions

UltimaDark - The Fastest Dark Mode Extension by ThomazPom

Rated 4.5 out of 5
4.5 Stars out of 5
5
61
4
16
3
3
2
1
1
4
UltimaDark - The Fastest Dark Mode Extension version history - 25 versions
  • Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.

  • Latest version

    Version 1.6.53

    Released 22 Dec 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download Firefox
    Download file
  • Older versions

    Version 1.6.52

    Released 22 Dec 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.51

    Released 21 Dec 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.50

    Released 21 Dec 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.48

    Released 20 Dec 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.47

    Released 20 Dec 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.42

    Released 15 Dec 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.40

    Released 6 Dec 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.39

    Released 6 Dec 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.38

    Released 3 Dec 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.37

    Released 27 Nov 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.35

    Released 21 Nov 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.33

    Released 18 Nov 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.32

    Released 15 Nov 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.31

    Released 7 Nov 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.30

    Released 6 Nov 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.29

    Released 3 Nov 2025 - 3.37 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.28

    Released 31 Oct 2025 - 3.36 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.27

    Released 25 Oct 2025 - 3.36 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.24

    Released 23 Aug 2025 - 1.13 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.23

    Released 22 Aug 2025 - 1.13 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.22

    Released 20 Aug 2025 - 1.13 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.21

    Released 18 Aug 2025 - 1.13 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.20

    Released 16 Aug 2025 - 1.13 MB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6.17

    Released 10 Aug 2025 - 770.79 kB
    Works with firefox 79.0 and later, android 120.0 and later

    Source code released under Mozilla Public Licence 2.0

    Download file
Go to Mozilla's homepage

Add-ons

  • About
  • Firefox Add-ons Blog
  • Extension Workshop
  • Developer Hub
  • Developer Policies
  • Community Blog
  • Forum
  • Report a bug
  • Review Guide

Browsers

  • Desktop
  • Mobile
  • Enterprise

Products

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Legal

Except where otherwise noted, content on this site is licensed under the Creative Commons Attribution Share-Alike Licence v3.0 or any later version.