SEI Plus by Ed

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SEI Plus 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 5.0.4.86
Released Aug 18, 2026 - 1.37 MB
Works with firefox 140.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download Firefox and get the extension
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Older versions
Version 5.0.4.85
Released Aug 17, 2026 - 1.36 MB
Works with firefox 140.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
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Version 5.0.4.84
Released Aug 17, 2026 - 1.36 MB
Works with firefox 140.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 5.0.4.83
Released Aug 14, 2026 - 1.36 MB
Works with firefox 140.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 5.0.4.82
Released Aug 13, 2026 - 1.36 MB
Works with firefox 140.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 5.0.4.81
Released Aug 13, 2026 - 1.36 MB
Works with firefox 140.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
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Version 5.0.4.80
Released Aug 13, 2026 - 1.36 MB
Works with firefox 140.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 5.0.4.79
Released Aug 13, 2026 - 1.36 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
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Version 5.0.4.75
Released Aug 13, 2026 - 1.36 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
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Version 5.0.4.72
Released Aug 13, 2026 - 1.35 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
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Version 5.0.4.71
Released Aug 12, 2026 - 1.35 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 5.0.4.66
Released Aug 12, 2026 - 1.35 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
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Version 5.0.4.65
Released Aug 12, 2026 - 1.35 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 5.0.4.64
Released Aug 12, 2026 - 1.35 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 5.0.4.63
Released Aug 12, 2026 - 1.35 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
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Version 5.0.4.62
Released Aug 12, 2026 - 1.35 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 5.0.4.61
Released Aug 12, 2026 - 1.35 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 5.0.4.60
Released Aug 12, 2026 - 1.35 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
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Version 5.0.4.57
Released Aug 11, 2026 - 1.35 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 5.0.4.56
Released Aug 11, 2026 - 1.35 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 5.0.4.55
Released Aug 10, 2026 - 1.35 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 5.0.4.53
Released Aug 10, 2026 - 1.35 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 5.0.4.52.2
Released Aug 10, 2026 - 1.35 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 5.0.4.52
Released Aug 10, 2026 - 1.35 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download file
Version 5.0.4.51
Released Aug 7, 2026 - 1.35 MB
Works with firefox 128.0 and later, android 142.0 and later
Source code released under Mozilla Public License 2.0
Download file

Latest version

Version 5.0.4.86

Older versions

Version 5.0.4.85

Version 5.0.4.84

Version 5.0.4.83

Version 5.0.4.82

Version 5.0.4.81

Version 5.0.4.80

Version 5.0.4.79

Version 5.0.4.75

Version 5.0.4.72

Version 5.0.4.71

Version 5.0.4.66

Version 5.0.4.65

Version 5.0.4.64

Version 5.0.4.63

Version 5.0.4.62

Version 5.0.4.61

Version 5.0.4.60

Version 5.0.4.57

Version 5.0.4.56

Version 5.0.4.55

Version 5.0.4.53

Version 5.0.4.52.2

Version 5.0.4.52

Version 5.0.4.51