Converting CBR to... whatever, as long as it's readable

vomov · 02-02-2012, 04:38 PM

I've recently been given a Pocketbook Pro 912, which so far performed absolutely brilliant.

However, I've not found a way to properly display CBR's (rar's with jpeg's inside them) on the device. I've tried unpacking them, which leads to a whole lot of jpegs which aren't zoomable (which I find odd). I've tried converting them with Calibre, which took a long time and resulted in a significant (factor eight) increase in size, which the device then didn't display at all.

So, before I waste anymore time with pointless converting, I'll ask my question here:
What's a good way to get comics in CBR format to display on an e-reader, such as the Pocketbook 912? Converting, unpacking, custom apps, any tip is welcome!
Also, I'll admit that even while I did look at the forums, I only used the search function for a couple of minutes before giving up, so if there's a thread out there, please point me to it. Also, calling me lazy at that point is quite justified.

DSpider · 02-02-2012, 06:48 PM

Probably because it wasn't designed to view comic books. Why do you ask? Does it normally zoom images from ePub files?

vomov · 02-03-2012, 04:53 AM

But the reviews all say its suitable for comics... Which isn't really an argument, though.

I've owned a Foxit Eslick which I did use for comics through unpacking the CBR (or CBZ) into a folder, and the Eslick performed quite nicely. Rotating, zooming, and going to the next picture all worked good, but the resolution (something like 800x600) was minimal, which resulted in a lot of zooming. The Pocketbook 912 has a higher resolution (1200x825), and thus should work better.

It doesn't have CBR or CBZ capabilities, which is somewhat normal, I guess.
But when placing a set of pictures in a folder (JPEG) it displays them quite good, but zooming is somehow disabled, which makes for some pictures being displayed in only the middle 1/3 of the screen, like if you rotate a landscape picture on a landscape monitor 90 degrees. Zooming in a PDF, epub, etc. is supported, and works quite nicely.

So, I thought about converting it to pdf or the like, which hasn't yielded anything good. Hence my question

vomov · 02-07-2012, 04:42 AM

Okay, I might've found a solution, or at least something that works.

A friend asked me why I didn't use ComicRack for viewing comics, which is PC-based. When he showed me how it worked, I noticed an 'export books'-option, which has the capability to export to PDF (and DjVu, but that resulted in a factor 10 size increase). While it is awefully slow to convert, and has a tendency to create pages just a bit larger than the screen of the Pocketbook, resulting in a lot of scrolling, it does work.

Simply said, I connected the Pocketbook, selected a set of comics (Berserk), and asked it to export the books with a custom profile, which is set to put the converted files directly on the Pocketbook (H:, in my case). After about an hour I was able to enjoy Berserk on my Pocketbook.

If anyone knows of an alternative, though, that'd be much appreciated.

vomov · 02-10-2012, 07:31 AM

I'm at the point of slapping myself for laziness: complete solution is the "homebrew program for viewing image archives".
Link: https://www.mobileread.com/forums/sho...d.php?t=162852

Could someone remove this thread?

02-02-2012, 04:38 PM	#1
vomov Member Retired Posts: 13 Karma: 10 Join Date: Feb 2012 Device: Pocketbook Pro 912	Converting CBR to... whatever, as long as it's readable I've recently been given a Pocketbook Pro 912, which so far performed absolutely brilliant. However, I've not found a way to properly display CBR's (rar's with jpeg's inside them) on the device. I've tried unpacking them, which leads to a whole lot of jpegs which aren't zoomable (which I find odd). I've tried converting them with Calibre, which took a long time and resulted in a significant (factor eight) increase in size, which the device then didn't display at all. So, before I waste anymore time with pointless converting, I'll ask my question here: What's a good way to get comics in CBR format to display on an e-reader, such as the Pocketbook 912? Converting, unpacking, custom apps, any tip is welcome! Also, I'll admit that even while I did look at the forums, I only used the search function for a couple of minutes before giving up, so if there's a thread out there, please point me to it. Also, calling me lazy at that point is quite justified.

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02-02-2012, 06:48 PM	#2
DSpider Evangelist Posts: 450 Karma: 343115 Join Date: Nov 2009 Location: Romania Device: PW2 2014	Probably because it wasn't designed to view comic books. Why do you ask? Does it normally zoom images from ePub files?

02-03-2012, 04:53 AM	#3
vomov Member Retired Posts: 13 Karma: 10 Join Date: Feb 2012 Device: Pocketbook Pro 912	But the reviews all say its suitable for comics... Which isn't really an argument, though. I've owned a Foxit Eslick which I did use for comics through unpacking the CBR (or CBZ) into a folder, and the Eslick performed quite nicely. Rotating, zooming, and going to the next picture all worked good, but the resolution (something like 800x600) was minimal, which resulted in a lot of zooming. The Pocketbook 912 has a higher resolution (1200x825), and thus should work better. It doesn't have CBR or CBZ capabilities, which is somewhat normal, I guess. But when placing a set of pictures in a folder (JPEG) it displays them quite good, but zooming is somehow disabled, which makes for some pictures being displayed in only the middle 1/3 of the screen, like if you rotate a landscape picture on a landscape monitor 90 degrees. Zooming in a PDF, epub, etc. is supported, and works quite nicely. So, I thought about converting it to pdf or the like, which hasn't yielded anything good. Hence my question

02-07-2012, 04:42 AM	#4
vomov Member Retired Posts: 13 Karma: 10 Join Date: Feb 2012 Device: Pocketbook Pro 912	Okay, I might've found a solution, or at least something that works. A friend asked me why I didn't use ComicRack for viewing comics, which is PC-based. When he showed me how it worked, I noticed an 'export books'-option, which has the capability to export to PDF (and DjVu, but that resulted in a factor 10 size increase). While it is awefully slow to convert, and has a tendency to create pages just a bit larger than the screen of the Pocketbook, resulting in a lot of scrolling, it does work. Simply said, I connected the Pocketbook, selected a set of comics (Berserk), and asked it to export the books with a custom profile, which is set to put the converted files directly on the Pocketbook (H:, in my case). After about an hour I was able to enjoy Berserk on my Pocketbook. If anyone knows of an alternative, though, that'd be much appreciated.

02-10-2012, 07:31 AM	#5
vomov Member Retired Posts: 13 Karma: 10 Join Date: Feb 2012 Device: Pocketbook Pro 912	I'm at the point of slapping myself for laziness: complete solution is the "homebrew program for viewing image archives". Link: https://www.mobileread.com/forums/sho...d.php?t=162852 Could someone remove this thread?