Calibre changes line spacing and heading size

jlmyers · 11-09-2015, 03:55 AM

Hi All,

I am trying to make a few changes to my Kindle mobi file and following directions I found on the web I have opened my mobi file in Calibre and converted it back to ePub. Then I open the ePub in Sigil to make my changes, which were adding two pages and updating the contents. Everything seemed fine and the altered ePub viewed normal in Adobe Digital Edition, but when I then delete the original mobi in Calibre and convert the altered ePub back to mobi I'm getting an issue. When checking the new mobi on Kindle previewer on my Mac I see that there is double line spacing for everything (compared to single) and any headings are much smaller.

I thought at first I might have been altering something in the process, so I scaled back and did a test, removing just a line of text in the main body of the book and not touching any HTML script. This give me the same result when Calibre converted the altered ePub back to mobi.

If anyone knows what I am doing (or not doing) that is creating this or if anyone has experienced a similar issue, please help! I am new to this and not too tech savvy

Thanks,
jlmyers

eschwartz · 11-09-2015, 10:50 AM

When calibre makes a conversion, it can also make changes to "normalize" the formatting.
Some of those changes can be good or bad depending on the book's internals.

Take a look at the options under the Look & Feel section of the conversion dialog.
Particularly, font size rescaling and the options for controlling line spacing.

11-09-2015, 03:55 AM	#1
jlmyers Junior Member Posts: 1 Karma: 10 Join Date: Nov 2015 Device: Mac, iPad	Calibre changes line spacing and heading size Hi All, I am trying to make a few changes to my Kindle mobi file and following directions I found on the web I have opened my mobi file in Calibre and converted it back to ePub. Then I open the ePub in Sigil to make my changes, which were adding two pages and updating the contents. Everything seemed fine and the altered ePub viewed normal in Adobe Digital Edition, but when I then delete the original mobi in Calibre and convert the altered ePub back to mobi I'm getting an issue. When checking the new mobi on Kindle previewer on my Mac I see that there is double line spacing for everything (compared to single) and any headings are much smaller. I thought at first I might have been altering something in the process, so I scaled back and did a test, removing just a line of text in the main body of the book and not touching any HTML script. This give me the same result when Calibre converted the altered ePub back to mobi. If anyone knows what I am doing (or not doing) that is creating this or if anyone has experienced a similar issue, please help! I am new to this and not too tech savvy Thanks, jlmyers

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11-09-2015, 10:50 AM	#2
eschwartz Ex-Helpdesk Junkie Posts: 19,422 Karma: 85397180 Join Date: Nov 2012 Location: The Beaten Path, USA, Roundworld, This Side of Infinity Device: Kindle Touch fw5.3.7 (Wifi only)	When calibre makes a conversion, it can also make changes to "normalize" the formatting. Some of those changes can be good or bad depending on the book's internals. Take a look at the options under the Look & Feel section of the conversion dialog. Particularly, font size rescaling and the options for controlling line spacing.