How to put domain name in Form URL

Is there a way to maintain my domain in the url of the form instead of https://form.jotformeu.com/62573634739365 ?

If I need to charge an image over 1MB I need to upgrade the plan, isn't it?

Can I do it any moment without changes (url, embed, etc)?

Thank you!

Customizing the end of the URL is quite easy:

https://www.jotform.com/help/261-How-to-create-a-Custom-URL-of-a-form

Using a custom domain is also possible, however, it requires your own server and familiarity with DNS:

https://www.jotform.com/help/144-How-to-use-Custom-Domains-with-Jotform

The maximum file upload size can indeed be increased.  Here is our quick guide detailing how to increase the limit as well as the maximum file sizes for different integrations:

https://www.jotform.com/help/33-Changing-the-Upload-Size-Limit

You can also change the allowed file types:

https://www.jotform.com/help/29-Upload-Field-Allowed-File-Types