How to Add Collapsible Info to WordPress Forms: 4 Easy Methods

Long forms quietly kill submission rates. A visitor lands on your page, sees twenty fields stacked one after another, and bounces before reading a single label. Adding collapsible info to your WordPress forms is one of the simplest ways to fix that without removing any of the fields you actually need.

This guide covers four practical methods for adding expandable, click-to-open sections inside WordPress forms. Each method fits a different setup, so you can pick the one that matches your stack and your skill level.

What “Collapsible Info” Actually Means in a Form

The term gets used loosely, so it is worth being precise. In a WordPress form, collapsible info refers to a group of related fields tucked under a clickable heading. The heading stays visible at all times. The fields beneath it open when clicked and close when clicked again.

When several of these sections are stacked and only one can be open at a time, the pattern is called an accordion. When each section can be opened independently, it is just a group of collapsible panels. Both work for forms. Your choice depends on whether visitors need to compare information across sections or simply move through them in order.

Method 1: Use Fluent Forms Accordion Sections

Fluent Forms ships an accordion container field in its Pro version. It is the cleanest no-code option if you are starting fresh or already use Fluent Forms.

Inside the form editor, drag the Accordion field into your form, then place your existing input fields between the Start and Close markers. Each accordion section gets its own title and optional description. You can choose whether opening one section closes the others, which is useful when sections are mutually exclusive (for example, “I am a new customer” versus “I am an existing customer”).

This method works well for event registrations, service quotes, and job application forms where fields naturally group into themes like “Personal Info,” “Experience,” and “References.”

Method 2: Use Gravity Forms with Collapsible Sections Add-On

Gravity Forms does not include collapsible sections in its core, but the Collapsible Sections add-on by JetSloth handles it. You install the add-on like any other plugin, then mark any section field as collapsible from the field settings panel.

Existing forms can be converted in minutes. You do not have to rebuild anything. Just open each section field, toggle the collapsible option, and save. The add-on respects your theme’s styling and works with conditional logic, which is helpful when certain sections only appear based on earlier answers.

If you are running a complex form with branching logic, Gravity Forms remains the strongest choice in this space.

Method 3: Use Formidable Forms Collapsible Section Field

Formidable Forms includes a built-in Collapsible Section field, no add-on needed. In the form builder, drop the Collapsible Section field where you want a group to start, then add your input fields beneath it. The next regular section field, or the end of the form, marks where the collapsible group ends.

You can set sections to start expanded or collapsed by default. For long forms, starting collapsed keeps the page short and inviting. For shorter forms with optional details, starting expanded but allowing collapse can feel friendlier.

If you are still picking a plugin, our breakdown of collapsible sections in Gravity Forms, Fluent Forms, and Formidable compares the three side by side.

Method 4: Build It Manually with HTML, CSS, and a Little JavaScript

If you are running a lean WordPress install and want to avoid another plugin purely for this feature, you can build collapsible sections with native HTML and a few lines of script. The HTML <details> and <summary> elements give you a working toggle out of the box, with no JavaScript required.

For form integration, wrap a group of fields in a <details> element with a <summary> heading. Style the summary as a clickable bar, and the browser handles the open and close behavior natively. This approach is the lightest possible solution and works in every modern browser.

The catch: it requires editing your theme or using a custom HTML field inside your form plugin, which not every plugin supports cleanly. If you want the manual route done properly with accessibility built in, a custom WordPress development company like WPCustom can wire it into your existing form without breaking validation or submission logic.

Which Method Should You Choose?

Pick based on what you are already running:

• Already using Fluent Forms Pro? Use the built-in Accordion field.
• Already using Gravity Forms? Add the Collapsible Sections add-on.
• Already using Formidable Forms? Use the native Collapsible Section field.
• Running a custom theme and minimal plugins? Go manual with <details>.

The wrong move is installing a second forms plugin just to get collapsible sections. That route adds bloat, increases your attack surface, and creates style conflicts.

What to Test After You Add Them

Collapsible sections only help if visitors can actually use them. Before you call the job done, run through this checklist:

• Does the form still submit correctly when sections are collapsed?
• Do required fields trigger validation even when their section is closed?
• Does the form work with a keyboard alone, no mouse?
• Does it look right on mobile, where collapsible info matters most?

That last point is bigger than people think. Most form completions happen on phones now, which is why we wrote a separate guide on making long WordPress forms mobile-friendly. And if accessibility is part of your remit, the accessibility guide covers ARIA, keyboard navigation, and screen reader behavior.

The Bigger Picture

Collapsible info is not just a UI gimmick. It directly affects conversion. When visitors see a manageable form instead of a wall of fields, they are more likely to start, and more likely to finish. If you have not already, look at your form abandonment numbers and decide whether collapsible sections, multi-step layouts, or both fit your situation. The right structure depends on what you are asking visitors to do.