[ LANGUAGE — RUBY 3.3 ]
Run Ruby online. No install.
Run Ruby online for scripting practice and interview warm-ups.
Sample — copy into the compiler
print "Your name: "
name = gets.chomp
puts "Hello, #{name}!"1. Open the Ruby runtime
Go to the compiler and select Ruby. Your code persists per language.
2. Paste and add input
Copy the sample or type your own. Fill stdin if the program reads input.
3. Run and share
Press Run in the editor, then copy the page URL to share your exact state.
Ruby FAQ
Do I need to install Ruby to use this?
No. The Ruby 3.3 runtime runs in your browser via CodeLab's embedded editor. Open the compiler, pick Ruby, and press Run.
Is running Ruby online free?
Yes. The CodeLab Playground is free with no account. Optional paid plans add privacy and larger limits — see the pricing page.
How do I handle input in Ruby?
Use the stdin panel inside the editor for piped input, then press Run. The sample below reads a name from stdin.