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.

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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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    How do you change font size on labels?

    Asked by IainMungall on February 09, 2015 at 05:57 AM
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    JotForm Support

    Answered by Welvin on February 09, 2015 at 09:53 AM


    Just for the labels without affecting the input fields, right? If so, inject the following custom CSS codes to your form:

    .form-label-left, .form-label-right, .form-label-auto, .form-label-top {

        font-size : 15px;


    Change 15px to any size you want. Here's how you can inject the codes to your form:



    If you want to include the input fields, then just simply open the form in the form designer and change the font size in the "Font Options" tab: