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Old 10-26-2024, 06:22 PM   #1
Mangas
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Amazon KFX Comics format in Calibre
Hello,

I would like to ask if it is possible already to open Amazon KFX comics files in Calibre (with some plugins maybe) or if not - is it possible to implement such functionality in the future?

For now I can import this file format to my library, but can't open those files in Calibre e-book reader. To open KFX files I have to export it to my Kindle Oasis 2 first and open it on the reader itself.
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Click image for larger version Name: KFX error.jpg Views: 173 Size: 28.2 KB ID: 211670  
Last edited by Mangas; 10-26-2024 at 06:26 PM.
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Old 10-26-2024, 06:54 PM   #2
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Do you have the KFX Input plugin installed? And you would probably have to remove the DRM as well.
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Old 10-26-2024, 07:03 PM   #3
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Do you have the KFX Input plugin installed? And you would probably have to remove the DRM as well.
Yes I do. I have KFX Input and KFX Output plugins installed with DeDRM (10.0.3), and still no luck. I tried to open KFX files on Calibre 3.48 and 7.19 and I get exactly the same error. It doesn't change anything if I delete plugins, restart Calibre and install them again.

That's why I'm asking.
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Old 10-26-2024, 07:13 PM   #4
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Yes I do. I have KFX Input and KFX Output plugins installed with DeDRM (10.0.3), and still no luck. I tried to open KFX files on Calibre 3.48 and 7.19 and I get exactly the same error. It doesn't change anything if I delete plugins, restart Calibre and install them again.

That's why I'm asking.
You need deDRM 10.0.9, not 10.0.3.
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Old 10-26-2024, 07:37 PM   #5
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I did update DeDRM plugin to version 10.0.9, but result is the same. See attachment.
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Click image for larger version Name: DeDRM_10_09.jpg Views: 140 Size: 22.4 KB ID: 211671   Click image for larger version Name: KFX error1.jpg Views: 150 Size: 27.9 KB ID: 211672  
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Old 10-26-2024, 07:40 PM   #6
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Sorry, I'm out of ideas. KFX files open in the calibre viewer for me, but they're not comics, just straight text-based novels. Maybe there's something about comics the viewer doesn't like.
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Old 10-26-2024, 07:42 PM   #7
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Just in case, how exactly are you downloading those KFX files? With the Kindle app? Which version?
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Old 10-26-2024, 11:46 PM   #8
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In windows set the default application for opening KFX to ebook-viewer.exe and they will open.
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Old 10-27-2024, 01:44 PM   #9
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You need deDRM 10.0.9, not 10.0.3.
The alpha version may be needed and not 10.0.9.
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Old 10-27-2024, 02:40 PM   #10
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The alpha version may be needed and not 10.0.9.
10.0.9 works at the moment. I just tried recently.
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