Page Limits:In our online FlipHTML5, the page limits of each plan are as follows:
Size Limits:In our online FlipHTML5, the size of the PDF must be less than 300 MB.
On the contrary, on our FlipHTML5 desktop client, there are no limit to the page and size presently.
Therefore, if you want to upload a file larger than 300MB, it's better for you to convert it on our FlipHTML5 desktop client.