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How to change font for the Thank You page?

We've implemented the feature to edit the Thank You page on your online forms. Follow our documentation here to learn how to add an… Read more

How can I remove the 123FormBuilder logo?

To remove the 123FormBuilder logo from your online form, go to the Settings → Themes section of your form. Duplicate the theme in order… Read more

How to align the Submit button of your online form?

To align Submit buttons on forms couldn't be any more simple. In the Form Editor, select the Submit button and in choose one of… Read more

How to make your lightbox form auto-popup on the screen after a period of time?

How to make your lightbox form auto-popup on the screen after a period of time? Your lightbox form can be triggered to pop up… Read more

Can I change the color of the asterisk marking required fields?

Yes, you can. Go to Settings → Themes, access the theme customization panel and open the Others submenu. There, you can change the color… Read more

The progress bar has only one color. Why?

Even if you can set two colors for your multipage progress bar in Settings → Themes → Others, these two colors only apply to… Read more


The progress bar appears on multi-page forms. In this section, you can change the progress bar background and foreground color. These two colors apply… Read more


You can add your logo to the top border of the form. Select one of our predefined logos or use your own logo. Provide… Read more


There are seven buttons that can appear on your form: Submit, Calculate, Reset, Next, Preview, Previous and Update. For any of them you can… Read more


Highlight appears when a form field is on focus. You can set the highlight color (the field background color on focus) and the highlighted… Read more


Here you can change the Text color, Font style, Font size and Label info color. Text and label info color come with color pickers… Read more

Background & Form Frame

In this subsection of the theme customization panel, you can set a color or an image for the form page background. The image can… Read more