An i18n tool for Ruby applications with a Ruby-style syntax, filters, model translation, and flexible locale support.
R18n is an internationalization tool for Ruby applications that manages translations into multiple languages. It provides a core library and framework-specific plugins to handle locale detection, pluralization, and custom translation logic. The tool solves the problem of adding multilingual support to Ruby apps with a clean, Ruby-like syntax.
Ruby developers building web applications (with Rails or Sinatra) or desktop applications that require multilingual support. It's also suitable for developers needing flexible, customizable i18n solutions beyond basic key-value translation.
Developers choose R18n for its Ruby-native syntax, extensive flexibility (custom filters, loaders, and locale handling), and framework integrations. Its agnostic core allows deep customization while wrapper plugins simplify adoption in popular environments.
I18n tool to translate your Ruby application.
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Enables method-like access to translations (e.g., `t.user.edit`), making code cleaner and more readable for Rubyists, as shown in the quick demo with YAML-defined keys.
Supports custom filters for scenarios like gender-based variations, Markdown rendering, and HTML escaping, allowing complex translation logic without core modifications, as detailed in the filters section.
Translates ORM model attributes with minimal code via `R18n::Translated`, demonstrated with ActiveRecord examples, streamlining multilingual data handling in Ruby applications.
Automatically infers user preferences from HTTP headers with intelligent fallback chains, reducing manual locale management in web apps, as explained in the auto-detect section.
Setting up custom loaders or filters requires deeper understanding of R18n's API, such as implementing `available` and `load` methods, which can be time-consuming compared to plug-and-play libraries.
While services like Crowdin are supported, the ecosystem around R18n is smaller than Rails I18n, potentially limiting integration options and community-driven extensions.
The flexible architecture, including dynamic filter application and agnostic design, may introduce runtime overhead in high-throughput applications compared to optimized, static i18n solutions.