How to add cover to PDF file

This is the window of adding cover to PDF file, you can apply cover from html file or text:

1. Add cover page from html file;
You can apply a html file as the cover of PDF file, just choose add cover from html file, and click open button, select a html file,that is it, the html file will be added as the cover of PDF file.

2. Add cover for text words;
You can apply text word as the cover of PDF file, just choose add cover from text, and click Select button, select the %title of CHM%,that is it, the title of CHM file will be added as the cover of PDF file.

Please note: %title of CHM% is the text word you set in the first page, see below. You can change the title in right-clicking menu.