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.

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.
10 WordPress Form Fields You Should Master

Explore the most popular WordPress form fields from Ninja Forms and learn the essentials for your form-building adventure!
How to Add a Checkbox List in WordPress

Add a checkbox list in your WordPress form, learn how to style it, and restrict the number of checkboxes that can be selected.
4 Tricks for Capturing Additional User Data in WordPress Forms

Are you tired of repetitive info requests on your WordPress forms? Learn how to auto-capture names, emails, referral sources, and form page URLs.