Bootstrap Form Validation Generator

The Bootstrap Form Validation Generator creates ready-to-use Bootstrap 5 form HTML with built-in client-side validation, custom feedback messages, and configurable field types. Paste the output directly into any Bootstrap 5 project and get validated forms working in minutes. Built for frontend developers, WordPress theme builders, and anyone who needs reliable form validation without writing repetitive boilerplate.

Configuration

Content

Form Title

Form Subtitle

Submit Button Text

Include Full Name Field

Name Field Label

Name Placeholder

Name Invalid Message

Include Email Field

Email Field Label

Email Placeholder

Email Invalid Message

Include Phone Field

Phone Field Label

Phone Placeholder

Phone Invalid Message

Include Subject Field

Subject Field Label

Subject Placeholder

Subject Invalid Message

Include Message Field

Message Field Label

Message Placeholder

Message Invalid Message

Include Terms Checkbox

Checkbox Label

Checkbox Invalid Message

Success Alert Message

Layout

Form Layout

Form Container Width

Card Style

Design

Input Size

Submit Button Color

Submit Button Text Color

Input Border Radius (px)

Show Valid Feedback Messages

Generic Valid Feedback Text

Use Floating LabelsShow Success Alert on Submit

How to Use

1. Configure your form fields: set the form title, choose which input fields to include, and write your validation feedback messages. 2. Adjust the design settings including button color, border radius, form layout, and validation style. 3. Preview the generated Bootstrap 5 HTML in the live preview panel to confirm the layout and validation states look correct. 4. Copy the HTML with one click or download it as an .html file and drop it straight into your project.

Why Use This Tool?

Writing Bootstrap 5 form validation by hand means repeating the same was-validated class logic, invalid-feedback divs, and novalidate attributes across every form in your project. This generator handles all of that structure instantly, saving 15-30 minutes per form and eliminating common mistakes like missing aria attributes or mismatched input IDs and labels. No libraries, no npm installs, and no dependencies beyond Bootstrap 5 itself.

Frequently Asked Questions

What is the Bootstrap Form Validation Generator?

It is a free browser-based tool that outputs production-ready Bootstrap 5 form HTML with client-side validation logic, correct novalidate attributes, and custom valid/invalid feedback messages already wired up.

Do I need to write any JavaScript for the validation to work?

Yes, but only a small standard snippet that Bootstrap 5 itself documents. The generated HTML includes a script block at the bottom of the output that adds the was-validated class to the form on submit, which triggers Bootstrap's built-in CSS validation states. No third-party JS library is needed beyond Bootstrap's own bundle. You can replace this with your own submit handler by removing the inline script and adding the was-validated class in your own code.

Is it free?

Yes, the Bootstrap Form Validation Generator is completely free with no signup required. Built by the CanvasBuilder.co team.