Quote:
Originally Posted by gianni_1
Hello,
first of all I want to say that the more I use it, the more I love this wonderful program!
In order to improve more and more, I would have some questions:
- how many books can Calibre hold?
- is it possible to make a modification that allows you to change the fonts of all the selected books?
- Is it possible to make a modification that allows you to change the images .png to .jpg in all the selected books, perhaps using an external, free and powerful program like Bulk Image Converter?
- Is it possible to make a modification that allows you to compress the images of all the selected books?
- why has Calibre E-book viewer become so slow that it can take even more than a minute to open a book for the first time?
Thank you so much,
Gianni
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1) Way more than you can deal with in a lifetime

2) No. way to many possible ways. You CAN remove embedded fonts in bulk, but no finesse. All or do it by the edit, one at a time
3) Converting the image is only 1 step. THEN the code needs to follow the change.


Why? most readers can use either.
4)What system spec? How big and complex a book. FWIW a 4KB, 385 page opens in ~ 20 secs on a i7