
: Re: How to change the font(s) used on a pdf, or improve how they are rendered? I have an eBook (received from a university where I studied a couple of years back) that has a rather thin font.
This worked for me.
Open the PDF in Adobe Acrobat. I'm on Acrobat DC, other versions may or may not support this.
Go to Tools, then Edit.
On the Tools Pane (Shift + F4), towards the bottom, check Recognize Text. Then click on the Settings button (cog wheel icon). Enable both Use System Fonts, and Make all pages editable.
It might take a few minutes to scan all the pages. After it's done, save the PDF. [I used a Save As, but I don't think it makes a difference]
Caveat: There may be an issue scanning some text.
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