Just be patient and everything will turn out.
We do not set any limits on the size of the ebook file, but the larger the file, the more time it will take to convert. Use the 'local file' if you need to convert a file from your computer, in order to specify a file on the Internet, select 'Online file' and in the appeared field paste the link to the file. Use the 'Local file' or 'Online file' buttons to specify how to upload the ebook to the server.
