simple_form
A Rails form builder with a simple DSL that generates forms without imposing markup opinions.
What is simple_form?
Simple Form is a Ruby gem for Rails that provides a domain-specific language (DSL) to simplify form creation. It automatically generates appropriate HTML inputs based on database column types and model associations, reducing boilerplate code while allowing full control over markup and styling.
Rails developers building applications with complex forms who want a cleaner, more maintainable alternative to Rails' default form helpers without sacrificing flexibility.
Developers choose Simple Form for its balance of convenience and control—it offers smart defaults and powerful components like automatic error rendering and I18n support, but doesn't impose rigid markup structures, making it easy to integrate with any CSS framework.
Overview
Forms made easy for Rails! It's tied to a simple DSL, with no opinion on markup.
Use Cases
Best For
- Rapidly building CRUD forms with ActiveRecord models
- Creating accessible forms with automatic label, hint, and error rendering
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