Generate Ruby gem and Rails app documentation automatically. Codec8 reads your classes, modules, and YARD comments to produce clean developer-facing docs.
Ruby projects often live or die by their README, but writing a compelling gem README with usage examples, configuration options, and contribution guide takes most of a day — time that should go to shipping features.
Tailored documentation features for Ruby codebases
Extracts YARD and RDoc comments into structured method and class documentation
Generates Gemfile and gemspec installation snippets with correct dependency syntax
Documents Ruby modules and mixins showing which classes include each module
Produces rake task reference and console usage examples from your Rakefile
From zero to published docs in under a minute
Paste your GitHub repository URL. Public repos work instantly — no signup required for the free README preview.
Codec8 reads your Ruby source code, dependencies, and structure, then generates README, API docs, architecture diagrams, and setup guide.
Download your documentation as Markdown files or let Codec8 open a pull request directly to your repository.
These well-known projects are perfect candidates for Codec8
Yes. Codec8 reads from your GitHub source repo regardless of whether the gem is published. It does not need access to RubyGems.org.
Yes. For Rails apps, Codec8 produces route reference, model relationship docs, and setup guides including database migration and credential setup steps.
Yes. When Sorbet sigs or RBS type files are present, Codec8 incorporates type information into the generated API reference for richer documentation.
Paste your GitHub repo URL and get a free README preview in 60 seconds. No signup required.
Generate Ruby docs free