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roger64 · 01-10-2016, 11:55 PM

@shalym

Nice KFX screenshot. For me, hyphenation is a minor but definite improvement. If on average we find two hyphens a page (a little less than 10% of the text), it's significant even in English.

Now, if you have a Mobi and AZW3 library, it would be nice to be able to batch upgrade them to KFX. Maybe Amazon will make it possible some day, or more probably a Calibre-like utility will be able in the future to provide this functionality. But as some of the books are "protected" with DRM, it probably will never be so easy as if Amazon allowed it directly from within the Kindle. To do it the way Microsoft "upgrades" older versions to Windows 10 (but it should leave them the choice!).

For improving the readability, out of increasing the font-size, there may be other tries:
1 - increasing line-height helps (but yours seems fine)
2 - boldening a font. This deserves some comments:
Some software (FontForge among others) allow you a bolden slightly the font. From my short experience, it works sometimes with ttf fonts, hardly with otf. I tried with some e-text fonts and totally failed. When this works, this can bring a big improvement.
But then, it seems you can't side-load your fonts on a non-jailbroken Kindle. Maybe it would be possible to modify some fonts already supplied by the system. No experience yet with this.
Another possibility to circumvent this limitation would be to embed your favourite reading font in your books. But you can edit only AZW3 and not KFX, so you would have to hyphenate them in a separate process. Not undoable but a lot of work.
3. - using a real bold font. I don't like it but it's a matter of choice.
4. - other?

01-10-2016, 11:55 PM	#72
roger64 Wizard Posts: 2,625 Karma: 3120635 Join Date: Jan 2009 Device: Kindle PW3 (wifi)	@shalym Nice KFX screenshot. For me, hyphenation is a minor but definite improvement. If on average we find two hyphens a page (a little less than 10% of the text), it's significant even in English. Now, if you have a Mobi and AZW3 library, it would be nice to be able to batch upgrade them to KFX. Maybe Amazon will make it possible some day, or more probably a Calibre-like utility will be able in the future to provide this functionality. But as some of the books are "protected" with DRM, it probably will never be so easy as if Amazon allowed it directly from within the Kindle. To do it the way Microsoft "upgrades" older versions to Windows 10 (but it should leave them the choice!). For improving the readability, out of increasing the font-size, there may be other tries: 1 - increasing line-height helps (but yours seems fine) 2 - boldening a font. This deserves some comments: Some software (FontForge among others) allow you a bolden slightly the font. From my short experience, it works sometimes with ttf fonts, hardly with otf. I tried with some e-text fonts and totally failed. When this works, this can bring a big improvement. But then, it seems you can't side-load your fonts on a non-jailbroken Kindle. Maybe it would be possible to modify some fonts already supplied by the system. No experience yet with this. Another possibility to circumvent this limitation would be to embed your favourite reading font in your books. But you can edit only AZW3 and not KFX, so you would have to hyphenate them in a separate process. Not undoable but a lot of work. 3. - using a real bold font. I don't like it but it's a matter of choice. 4. - other? Last edited by roger64; 01-11-2016 at 12:08 AM.