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.
If you want to display the credit card fields in your form then you will need to use PayPal Pro, which allow the user to select if payment will be done with a credit card in the form or with a PayPal account.
Using PayPal standard integration will always redirect the user to PayPal.
Here's a list of payment processors which will allow users to pay directly in the form, without being redirected to an external payment page:
Here's also the link to our guides about payment forms: Payment+Forms
Hope this helps.