How to create Custom Form in Magento 2?  

If you want to create a custom form in Magento 2, you have the option to either use a form builder extension or create a custom form using modules. Magento also makes it easy to change the appearance of your form.

1. Use a Magento 2 Form Builder Extension

Magento 2 form builder extensions allow you to easily create custom forms without any coding knowledge. With a form builder extension like Magento 2 Custom Form, you can drag and drop elements such as headers, drop-downs, text areas, and file attachments. These extensions also include templates, so you don't have to create your form from scratch. Beyond the ease of creating forms, an extension can also track your form data.

2. Create a Custom Form Using Magento 2 Modules

Another way to create forms in Magento 2 is by using modules. This requires creating the module and files, then setting up the form layout and handling the code data.

1. Create a module: First, create a new module to house your custom form. In the Magento 2 root directory, navigate to app/code/, then create directories for your custom form (Vendor/ModuleName).
2. Create the necessary files: You'll need several key files to get your form working:
• module.xml: Located in app/code/Vendor/ModuleName/etc/, this file registers the module in Magento.
• routes.xml: Define a custom route for your form in app/code/Vendor/ModuleName/etc/frontend/.
• Controller/Index/Index.php: This is the controller that handles form requests and responses.
• view/frontend/templates/form.phtml: This file contains the form's HTML layout.
3. Set up the form layout: Use the form.phtml file to build your form layout. Include fields such as text input, dropdowns, and buttons using HTML and PHP.
4. Handle form data: Add code in the controller to handle form submissions. Magento 2’s model and resource model structure help save the form data to the database.

3. Customize the Form’s Appearance

Once you've created a functional form, you can style it to match your store’s theme. Some extensions allow you to add your branding and colors. With Magento 2, you can also customize your form layout using CSS and JavaScript.

Flexible Options for Beginners and Coders

Whether you use a form builder extension or manually create forms through modules, Magento 2 offers flexible options to meet your needs. If you're interested in creating a custom form in the Magento 2 frontend, Magento DevDocs is a helpful resource. Otherwise, you can simply download a Magento 2 form builder extension.