What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
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.
Thank you for contacting us.
Firstly, you can create a sign-up or registration form on Jotform. Here are the templates, maybe it helps you: https://www.jotform.com/form-templates/category/signup-form
Secondly, you can send a file after the people submitted the form. Please follow these steps:
1. Click "Emails" at the of your form builder page.
2. Select Autoresponder e-mail and click Edit.
3. You can attach the file that you want to send to Attach a File field.
Here is a guide helps to you: https://www.jotform.com/help/393-How-to-Attach-a-File-to-Autoresponder-Emails
If you have any questions or issue, feel free contact us.