Forms 101

All basic form related content, both technical and conceptual, that’s applicable using only the core plugin, and doesn’t fit better into another category.

How to Remove “Fields marked with an * are required” in Ninja Forms

Kick the ‘Fields marked with an * are required’ message to the curb, Ninja Forms style! Check out our straightforward guide with easy tricks for coders and non-coders.
How to Change the Size of a Form Field in WordPress

Change the size of a form field in WordPress, including the width, and learn how to add rounded corners to your fields.
How to Allow Additional File Types in WordPress

Do you need to add additional file types to your WordPress forms? Discover the easiest way to do it with our plugin and snippet hack!
Limit the Number of Characters or Words in the WordPress Form Field

Learn how to limit the number of characters and words in a form field in WordPress using the free core Ninja Forms contact form plugin!
Single vs. Double Opt-in: Which is Best for Your WordPress Form?

Have you been searching for a simple yet effective opt-in feature? Ninja Forms’ user-friendly interface and extensive features make it easy to create and customize WordPress opt-in forms.
How to Track From Which Page a Form Was Submitted On

How to capture the form submission source page the form was submitted on? With Ninja Forms, it’s simple and completely free. Find out more!
Adding a Number Field in WordPress: A Range Slider Alternative

Learn how to add a Number field in WordPress and use it along with Calculations with our free Ninja Forms core plugin!
Form Building: 18 Tips and Tricks with Ninja Forms Plugin

Explore our in-depth guide packed with expert form-building tips and tricks you can apply when using the Ninja Forms plugin!
How to Add a Phone Field in WordPress

Learn how to add a Phone field to your WordPress form. Don’t worry, with the Ninja Forms core plugin this feature and much more is free!
How to Add a Star Rating Field in WordPress

Learn all the essentials about the Star Rating field and how to use it in your WordPress form with Ninja Forms contact form plugin!
Add a Repeater Field in WordPress

Learn the essentials of a repeater field including adding, styling, or creating multi-column layout in your WordPress form.
How to Add a Paragraph Text Field in WordPress

Learn how to add a Paragraph Text field in WordPress and discover additional free tips and tricks for this common contact form field.