Styling & Design

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Replace error images with custom CSS

When you enable certain settings on your form, it returns an error message that displays an image. In this article we will illustrate how… Read more

How to apply custom CSS to your form

123FormBuilder offers many build-in theme options that you can choose from. Basically, you can change just about anything on your web form, from text… Read more

Minimalistic Input Fields

In this article you will learn how to create minimalistic input fields. Start improving your form’s design by incorporating CSS codes into your forms to enhance the user… Read more

Make choices as clickable buttons

Today you will learn how to make choices as clickable buttons. We developed a CSS code that will change the design of your single… Read more

Improving mobile design with CSS

123FormBuilder forms are responsive to all mobile devices and tablets. Our forms work great on all devices and are offering a user-friendly experience on… Read more

How to customize the digital signature box?

To customize the digital signature box on your form, you'll need to use Inspect Element in your browser to locate its ID. By applying… Read more

How to add Google fonts to your online forms?

If you were wondering on how to add Google fonts to your online forms, here is how to do it: 1. In your 123FormBuilder… Read more

How to style file upload buttons on your online forms?

To style file upload buttons on your online form, access the form's Edit options and go to the Themes section. Afterwards, click on Add… Read more

How to change font for the Thank You page?

To change the font for the Thank You page, use this code: @import url(//; body { font-family: 'Lobster', cursive!important; } #id123-thankyou { font-family: 'Lobster'!important;… Read more

How to change the font family for form inputs?

To change the font family for your form inputs go to your form's Edit - Themes section. Scroll down until you see the Input… 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

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

Yes, you can. Go to Edit - Themes, access the theme customization panel and check the Label submenu. There, you can change the color of the asterisk… Read more

Frequently Asked Questions

Here is a list of the most frequently asked questions. For more FAQs, please browse through the  FAQs page.

Is this service free?
Yes, we offer a free form builder service. Just sign up to the Basic plan and you are all set. This plan is forever free, but you are limited with a few features only, such as 5 forms per account, 100 submissions per month and you have to keep the backlink to 123FormBuilder on your forms. Check out our features matrix for more information.
How many forms can I create?
It depends on the service plan you are on. Higher service plans enable more features, including more web forms for your account. If you need more forms, go to the My Account section of your account and click the upgrade button. To create an unlimited number of forms, either upgrade to the Platinum service plan or higher. Consult our features matrix for more information.
How can I publish my forms?
You can publish your forms in many ways, by using their direct URL or HTML link, embedding them with a JavaScript code, Inline HTML or iFrame, using the Facebook app or the WordPress plugin, using popups, the Blogger code snippet and many more. Once you have created and customized your form, go to the Publish section to complete your work. Read more in our documentation.
How do I change my form design?
You can change the design of your form in the Themes section, which is located in your form settings. We offer a set of more than 30 predefined form themes for your forms, but you can also create your own from scratch. You can customize the submit button, the logo and more. To apply your own stylesheets, all forms come with a custom CSS editor.

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