The free Personal Edition of HelpNDoc adds banners at the bottom of every generated documentation formats. To remove those banners, you can purchase the Standard or Professional Edition of HelpNDoc:

  • HelpNDoc Professional¬†Edition removes the ¬†banners for all supported documentation formats (CHM, HTML, Word, PDF, ePub, Kindle, Qt Help);
  • HelpNDoc Standard¬†Edition removes the banners for the CHM and HTML documentation formats only;

You can learn more about pricing and differences between editions from the online store at https://www.helpndoc.com/store/