PubHTML5 is a powerful flipbook converter to turn your PDF file into an interactive flipbook. But as we all know, nothing is perfect. Sometimes users may meet the problem of converting failed or unexpected error when they convert their flipbooks. Don’t worry! We can fix it out at once.
1) In PubHTML5 online platform, you need to make sure that your PDF files is less than 150M and no more than 500 pages.
2) In PubHTML5 desktop client, you need to change the render engine firstly and then re-upload your publication.
Sorry for any inconvenience!