Can I make PDF text darker? (Kindle DXG)

max99 · 12-19-2010, 08:14 AM

Ok i know this is a feature on the K3's, but since we DXG owners are still waiting i wondered if there's a way to convert PDFs, say in calibre, so all the text is bold or something like that?

i'm reading a great book on greek mathematics in PDF format, but the text is so thin and light grey compared to normal books. i don't want to convert to Kindle or mobi format as many of the equations look broken, just want to make the text stand out a bit more.

thanks for any help

JSWolf · 12-19-2010, 08:16 AM

Nope.

biodu · 12-19-2010, 10:07 AM

Hello Max99,

yes you can without any conversion in Calibre, just on your DXG - but not with the Kindle Operation System.

The idea is to load the Duokan OS onto your Kindle. With Duokan you can darken/zoom/crop your PDFs. You will have dual-boot possibility (Kindle OS remains as is and additionally there is the Duokan OS on your DXG). See this thread for details:
http://flip.netzbeben.de/2010/11/duo...ish-gui-today/

I also have tons of pdf on my DXG and I read them only in Duokan while I do the web browsing in Kindle OS.

Best wishes

Biodu

quincy8boy · 11-14-2017, 10:05 AM

I had a PDF that was saved in Chrome and then transferred to Kindle DX using Calibre. It was too light on Kindle DX. I refried it (printed to Adobe PDF) and then transferred again. Text was perfect. Takes a while to load, though.

Edit: Refried to grayscale from color.

HarryT · 11-14-2017, 10:12 AM

Please don't respond to ancient threads. There's not the slightest chance that the original poster will have the slightest interest in your reply, seven years after asking the question.

12-19-2010, 08:14 AM	#1
max99 Addict Posts: 201 Karma: 1300000 Join Date: Nov 2010 Device: Kindle DXG, PW	Can I make PDF text darker? (Kindle DXG) Ok i know this is a feature on the K3's, but since we DXG owners are still waiting i wondered if there's a way to convert PDFs, say in calibre, so all the text is bold or something like that? i'm reading a great book on greek mathematics in PDF format, but the text is so thin and light grey compared to normal books. i don't want to convert to Kindle or mobi format as many of the equations look broken, just want to make the text stand out a bit more. thanks for any help

12-19-2010, 10:07 AM	#3
biodu Enthusiast Posts: 27 Karma: 12 Join Date: Aug 2010 Location: Country with the most cheese in the world Device: Kindle DXG	Hello Max99, yes you can without any conversion in Calibre, just on your DXG - but not with the Kindle Operation System. The idea is to load the Duokan OS onto your Kindle. With Duokan you can darken/zoom/crop your PDFs. You will have dual-boot possibility (Kindle OS remains as is and additionally there is the Duokan OS on your DXG). See this thread for details: http://flip.netzbeben.de/2010/11/duo...ish-gui-today/ I also have tons of pdf on my DXG and I read them only in Duokan while I do the web browsing in Kindle OS. Best wishes Biodu Last edited by biodu; 12-19-2010 at 12:42 PM.

11-14-2017, 10:05 AM	#4
quincy8boy Junior Member Posts: 2 Karma: 10 Join Date: Aug 2017 Device: Amazon DX	Refry to darken I had a PDF that was saved in Chrome and then transferred to Kindle DX using Calibre. It was too light on Kindle DX. I refried it (printed to Adobe PDF) and then transferred again. Text was perfect. Takes a while to load, though. Edit: Refried to grayscale from color. Last edited by quincy8boy; 11-14-2017 at 10:08 AM.

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12-19-2010, 08:16 AM	#2
JSWolf Resident Curmudgeon Posts: 73,876 Karma: 128597114 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3	Nope.

11-14-2017, 10:12 AM	#5
HarryT eBook Enthusiast Posts: 85,544 Karma: 93383043 Join Date: Nov 2006 Location: UK Device: Kindle Oasis 2, iPad Pro 10.5", iPhone 6	Please don't respond to ancient threads. There's not the slightest chance that the original poster will have the slightest interest in your reply, seven years after asking the question.

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