If you have added a PDF to Flipbooks Online and you receive this error (below), please send us your PDF.
Our designers will examine your PDF and amend it accordingly. We will then send you the amended PDF, so you can successfully build your Flipbook.
Please send the PDF to support@3dissue.com
Max PDF Size
The maximum upload size for Flipbooks Online is currently 300MB
Reducing the PDF DPI or Quality
For most use-cases reducing the DPI to less than 300 will not result in a perceivable quality loss in the resulting Flipbook.