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.
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I also recommend signing up for an account (for FREE) if you havent done so yet. You can use this link http://www.jotform.com/signup to signup using your email account.
As to your inquiry, the answer to all are Yes.
You can review the following user guides:
The form supports all known OS and browsers as well.