UltimaDark - The Fastest Dark Mode Extension by ThomazPom

4.5 Stars out of 5

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 1.6.24
Released Aug 23, 2025 - 1.13 MB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
You'll need Firefox to use this extension
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Older versions
Version 1.6.23
Released Aug 22, 2025 - 1.13 MB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.22
Released Aug 20, 2025 - 1.13 MB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.21
Released Aug 18, 2025 - 1.13 MB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.20
Released Aug 16, 2025 - 1.13 MB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.17
Released Aug 10, 2025 - 770.79 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.16
Released Aug 10, 2025 - 770.61 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.15
Released Aug 9, 2025 - 770.49 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.14
Released Aug 7, 2025 - 769.82 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.13
Released Aug 6, 2025 - 769.32 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.12
Released Dec 29, 2024 - 160.3 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.11
Released Dec 15, 2024 - 160.2 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.10
Released Dec 12, 2024 - 160.09 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.9
Released Dec 12, 2024 - 160.13 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.8
Released Nov 30, 2024 - 159.95 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.7
Released Nov 28, 2024 - 159.9 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.6
Released Nov 27, 2024 - 159.7 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.5
Released Nov 25, 2024 - 159.66 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.4
Released Nov 22, 2024 - 159.1 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.3
Released Nov 22, 2024 - 159.08 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.2
Released Nov 18, 2024 - 158.96 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.1
Released Nov 12, 2024 - 158.85 KB
Works with firefox 128.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.6.0
Released Nov 10, 2024 - 158.79 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.5.77
Released Oct 28, 2024 - 171.56 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
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Version 1.5.76
Released Oct 27, 2024 - 171.06 KB
Works with firefox 79.0 and later, android 120.0 and later
Source code released under Mozilla Public License 2.0
Download file

Latest version

Version 1.6.24

Older versions

Version 1.6.23

Version 1.6.22

Version 1.6.21

Version 1.6.20

Version 1.6.17

Version 1.6.16

Version 1.6.15

Version 1.6.14

Version 1.6.13

Version 1.6.12

Version 1.6.11

Version 1.6.10

Version 1.6.9

Version 1.6.8

Version 1.6.7

Version 1.6.6

Version 1.6.5

Version 1.6.4

Version 1.6.3

Version 1.6.2

Version 1.6.1

Version 1.6.0

Version 1.5.77

Version 1.5.76