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Bootstrap_form

Author Avatar Theme by Bootstrap ruby
Updated: 9 Dec 2025
1644 Stars

Official repository of the bootstrap_form gem, a Rails form builder that makes it super easy to create beautiful-looking forms using Bootstrap 5.

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Overview

The bootstrap_form Ruby gem is a powerful tool for Rails developers looking to integrate Bootstrap v5-style forms seamlessly into their applications. It offers an enhanced experience by augmenting the default Rails form helpers, generating all necessary Bootstrap markup that ensures your forms look sharp and professional. With bootstrap_form, building user-friendly forms is not only quick but also reduces the potential for errors that come with manual markup.

This gem is designed to streamline the process of form creation by providing a robust set of features that cater to both standard form functionalities and specific Bootstrap requirements. Whether it’s handling validation or customizing form layouts, bootstrap_form makes it easy to focus on building powerful applications without getting bogged down by intricate Bootstrap guidelines.

Features

  • Validation Error Handling: Automatically displays validation error messages underneath their corresponding fields, with options for customization.

  • Automatic Required Attribute: Adds the required attribute to fields automatically for enhanced accessibility and user awareness.

  • Consistent Help Text: Easily integrates help text that can consistently guide users on what information is required for each field.

  • Horizontal Forms Support: Provides markup for horizontal forms, where labels can be placed to the left of fields, mimicking traditional desktop applications.

  • Customizable Markup: Offers numerous options to modify or enhance the default generated markup to suit specific project needs.

  • Reduced Code Footprint: Minimizes the amount of code needed in .erb files, allowing developers to write cleaner and more maintainable code.

  • Fast Bootstrap Integration: Accelerates the development process with Bootstrap forms by minimizing the learning curve associated with Bootstrap markup.

  • Rails Compatibility: Works seamlessly with the standard Rails form helpers, making implementation straightforward for seasoned Rails developers.