Changing default PDF reader in Calibre web (content server)

u53r69 · 12-04-2023, 06:35 AM

Hi everyone,
I use Calibre to manage a little scientific library. Most of my documents are PDF papers wrote in two or three columns, full of graphs and photos, and this doesn't fit very well with the default reader that Calibre uses on the web interface - to be clear on what I mean, I'll leave here a screenshot on Imgur: https://i.imgur.com/sKkJdSj.png.

I want to change this with the default browser pdf reader - so, I don't want the ebook to be converted or something: just the PDF staright away opened in the browser.

I alredy tried messing with the "Behavior" settings, but I found out that it only regulates the offline Calibre behavior, not the web one.

Is it possible to do something like that?

kovidgoyal · 12-04-2023, 06:47 AM

The content server does not open PDF files in its own viewer at all. Go to the details page of the book in the server and click the PDF link and it will open in the browser PDF reader. You are probably clicking the Read button which will read the book using the default output format, which is usually EPUB or AZW3

u53r69 · 12-04-2023, 06:57 AM

Hi, thanks for answering.

I'd like to precisely modify the behavior of the "Read" button, to make it open the PDF.

kovidgoyal · 12-04-2023, 06:58 AM

delete any non-pdf files in your book record and it should work fine.

u53r69 · 12-04-2023, 07:03 AM

Quote:

Originally Posted by kovidgoyal

delete any non-pdf files in your book record and it should work fine.

Thanks, but I have only PDF files.
https://i.imgur.com/E5NNzWb.png

kovidgoyal · 12-04-2023, 09:05 AM

EDIT: Actually, I tried it with the read button as well and it opened in the browser PDF renderer as expected.

u53r69 · 12-04-2023, 09:39 AM

I'm still facing the same problem.

If it could help, here's a video showing it. As you can see, I only have PDF format for that book, and it's rendered correctly by my offline-reader. But, when I click on "Read", it just messes things up.

https://imgur.com/TgxK3Zk

I've also tried to set-up output format as PDF, but without any result.

kovidgoyal · 12-04-2023, 09:56 AM

make sure you are running up to date calibre.

u53r69 · 12-04-2023, 04:18 PM

Hi, you we're right: I was running an old version of Calibre.

I was using Linux Mint 20, so I got to upgrade it to 21 before upgrading Calibre, due to some dependencies issues, but now it all works fine.

Thanks for your patience

.

12-04-2023, 06:35 AM	#1
u53r69 Junior Member Posts: 5 Karma: 10 Join Date: Dec 2023 Device: Calibre	Changing default PDF reader in Calibre web (content server) Hi everyone, I use Calibre to manage a little scientific library. Most of my documents are PDF papers wrote in two or three columns, full of graphs and photos, and this doesn't fit very well with the default reader that Calibre uses on the web interface - to be clear on what I mean, I'll leave here a screenshot on Imgur: https://i.imgur.com/sKkJdSj.png. I want to change this with the default browser pdf reader - so, I don't want the ebook to be converted or something: just the PDF staright away opened in the browser. I alredy tried messing with the "Behavior" settings, but I found out that it only regulates the offline Calibre behavior, not the web one. Is it possible to do something like that?

12-04-2023, 09:05 AM	#6
kovidgoyal creator of calibre Posts: 43,981 Karma: 22669822 Join Date: Oct 2006 Location: Mumbai, India Device: Various	EDIT: Actually, I tried it with the read button as well and it opened in the browser PDF renderer as expected. Last edited by kovidgoyal; 12-04-2023 at 09:08 AM.

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12-04-2023, 06:47 AM	#2
kovidgoyal creator of calibre Posts: 43,981 Karma: 22669822 Join Date: Oct 2006 Location: Mumbai, India Device: Various	The content server does not open PDF files in its own viewer at all. Go to the details page of the book in the server and click the PDF link and it will open in the browser PDF reader. You are probably clicking the Read button which will read the book using the default output format, which is usually EPUB or AZW3

12-04-2023, 06:57 AM	#3
u53r69 Junior Member Posts: 5 Karma: 10 Join Date: Dec 2023 Device: Calibre	Hi, thanks for answering. I'd like to precisely modify the behavior of the "Read" button, to make it open the PDF.

12-04-2023, 06:58 AM	#4
kovidgoyal creator of calibre Posts: 43,981 Karma: 22669822 Join Date: Oct 2006 Location: Mumbai, India Device: Various	delete any non-pdf files in your book record and it should work fine.

12-04-2023, 09:39 AM	#7
u53r69 Junior Member Posts: 5 Karma: 10 Join Date: Dec 2023 Device: Calibre	I'm still facing the same problem. If it could help, here's a video showing it. As you can see, I only have PDF format for that book, and it's rendered correctly by my offline-reader. But, when I click on "Read", it just messes things up. https://imgur.com/TgxK3Zk I've also tried to set-up output format as PDF, but without any result.

12-04-2023, 09:56 AM	#8
kovidgoyal creator of calibre Posts: 43,981 Karma: 22669822 Join Date: Oct 2006 Location: Mumbai, India Device: Various	make sure you are running up to date calibre.

12-04-2023, 04:18 PM	#9
u53r69 Junior Member Posts: 5 Karma: 10 Join Date: Dec 2023 Device: Calibre	Hi, you we're right: I was running an old version of Calibre. I was using Linux Mint 20, so I got to upgrade it to 21 before upgrading Calibre, due to some dependencies issues, but now it all works fine. Thanks for your patience .

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