EasyDualSub - Merge & Watch Dual Subtitles by Alim

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EasyDualSub - Merge & Watch Dual Subtitles version history - 16 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 1.5.6
Released Nov 1, 2026 - 2.21 MB
Works with firefox 140.0 and later
Source code released under All Rights Reserved
Download Firefox and get the extension
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Older versions
Version 1.5.5
Released Nov 1, 2026 - 2.2 MB
Works with firefox 140.0 and later
add AI included option subscription for lifetime premium user
Source code released under All Rights Reserved
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Version 1.5.4
Released Oct 30, 2026 - 2.2 MB
Works with firefox 140.0 and later
Fix hbo max error
Source code released under All Rights Reserved
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Version 1.5.3
Released Oct 28, 2026 - 2.15 MB
Works with firefox 140.0 and later
update out to date AI model provider
Source code released under All Rights Reserved
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Version 1.5.2
Released Oct 24, 2026 - 2.14 MB
Works with firefox 140.0 and later
Source code released under All Rights Reserved
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Version 1.5.0
Released Oct 17, 2026 - 2.13 MB
Works with firefox 140.0 and later
✓
Source code released under All Rights Reserved
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Version 1.4.8
Released Oct 5, 2026 - 2.09 MB
Works with firefox 140.0 and later
Source code released under All Rights Reserved
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Version 1.4.7
Released Sep 30, 2026 - 2.09 MB
Works with firefox 140.0 and later
Add free AI backend Translation month, for lifetime user. Separate subscription coming soon too
Source code released under All Rights Reserved
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Version 1.4.6
Released Sep 10, 2026 - 2.08 MB
Works with firefox 140.0 and later
improve merge algorithm
Source code released under All Rights Reserved
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Version 1.3.1
Released Aug 5, 2026 - 1.93 MB
Works with firefox 140.0 and later
fix universla mode
Source code released under All Rights Reserved
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Version 1.2.3
Released Jul 11, 2026 - 1.75 MB
Works with firefox 140.0 and later
fix disney + issue display subtitle becasue of get currentTime issue
Source code released under All Rights Reserved
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Version 1.2.1
Released Jun 20, 2026 - 1.73 MB
Works with firefox 140.0 and later
fix disney + issue
Bette translation engine workflow and error handling
New model withotu api key for premium user
Source code released under All Rights Reserved
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Version 1.1.3
Released May 9, 2026 - 1.01 MB
Works with firefox 140.0 and later
Source code released under All Rights Reserved
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Version 1.1.2
Released May 5, 2026 - 962.94 KB
Works with firefox 140.0 and later
fix again filter forced narrative subtitle for prime video
Source code released under All Rights Reserved
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Version 1.1.1
Released May 5, 2026 - 962.94 KB
Works with firefox 140.0 and later
fix prime video issue (filter forced subtitle)
better change video detection
Source code released under All Rights Reserved
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Version 1.1.0
Released Apr 29, 2026 - 944.53 KB
Works with firefox 140.0 and later
Source code released under All Rights Reserved
Download file