JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
We have a maximum of 1gb per upload. Please check this guide for more details: http://www.jotform.com/help/33-Changing-the-Upload-Size-Limit.
You can accept any types of files except those executable ones or batch files. Check this guide for more details: http://www.jotform.com/help/29-Upload-Field-Allowed-File-Types.