tl;dr: Optimal page layout for Kobo Clara HD ereader: Width: 9cm, Height: 11.1cm, margins: 0.5cm. **** I have recently bought a Kobo Clara HD ereader. I used to own a Glo HD ereader by the same company, until I accidentally pushed it off the table causing its display to crack. Though I prefer EPUB format for reading on an ereader, there are many cases when a PDF format might be more convenient. However, regular PDF files are difficult to read on the ereader for their large page sizes. The PDF viewer of the device scales a page to fit its display causing tiny texts. I can zoom in a section to read, however I need to swipe and drag around to view other areas which is really not convenient due to slow response time of e-ink display. Worse is when I accidentlly tap the display, causing it to immediately turn the next page. I need to go back to previous page and go through all the zooming and dragging before I can resume reading. Therefore I always wanted to generate a PDF optimized
I have experienced many recurring issues in my life. When I face such an issue, I always realise that I have forgotten how I solved it in the past. After hours of hopeless search for solutions, I start wondering, "Was it really me that solved this last time? How did I..."