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Making edits to a live formAsked by firstname.lastname@example.org on October 22, 2015 at 03:55 PM
You should disable the Auto-save feature: https://www.jotform.com/help/86-How-to-Disable-Auto-Save
But, in order to test the changes, you need to save your form and click on Preview, so that would trigger to reflect the changes on your embedded form.
I would suggest you to clone your current form, and work on the edits in the cloned version: https://www.jotform.com/help/27-How-to-clone-an-existing-form-from-your-account
Once you finish editing the cloned version, you simply use the cloned form instead. Grab the embed code, and replace the one currently embedded on your site with the new one: https://www.jotform.com/help/67-Which-Form-Embed-Code-Should-I-Use
Let us know if you need more help, we will be glad to assist you.