Guides

In-depth tutorials and best practices for building, securing, and scaling forms with DropForm in modern web applications.

How to Send an HTML Form to a Form Backend

Learn how to connect a plain HTML form to a form backend endpoint, handle redirects, and troubleshoot common issues.

Learn how to send form data with fetch, handle JSON vs FormData, show loading states, and deal with errors.

Learn how file uploads work with HTML forms and JavaScript FormData, including multipart/form-data and best practices.

Learn how HTML forms work, how form submission happens, and how to build forms with all common field types.

A complete guide to Form APIs: what they are, how they work, and why modern websites use them.

The complete guide to form backends, form APIs, and modern form infrastructure.

Learn how to create forms, collect submissions, and manage responses in DropForm with easy step-by-step instructions for beginners.