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.

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    Can't save my form. Error message: Form data cannot be decoded

    Asked by sensocial on November 22, 2011 at 11:54 AM

    For a reason I cannot explain, I can't save my form. Your system says: "Form data cannot be decoded".


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    JotForm Support

    Answered by idarktech on November 22, 2011 at 04:23 PM

    Hi Sensocial,

    Please clear your browsers cache or try it on different browser, that should fixed your problem.

    Let us know if you have further questions. Thank you so much!

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    Answered by writeitright on June 21, 2012 at 08:10 PM

    I'm getting this same error ever after clearing the cache AND switching form Mozilla to Google Chrome.

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    JotForm Support

    Answered by idarktech on June 21, 2012 at 08:22 PM


    Can you please log out from your account and then log back in? See if this fixes it.

    If the problem is still occuring, please update us here.

    We'll wait for your reply. Thanks!

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    Answered by jeanettebmz on June 21, 2012 at 08:25 PM

    In addition to my colleague's advice, please check my answer on this thread