What Ruby structures are generated?

The tool generates Ruby hash literals with proper syntax, including symbol keys, string keys, nested hashes, and arrays.

Does it support symbol keys?

Yes, you can choose between string keys and symbol keys for the generated Ruby hashes.

Can I use the output directly in Rails?

Yes, the generated Ruby hashes are compatible with Ruby on Rails and can be used directly in models, controllers, and views.

JSON to Ruby - Online Hash Generator

How to Use

Paste or type any JSON data into the left input box.
Click the "Convert to Ruby" button. The converted Ruby hash code appears on the right.
Click "Copy Result" to quickly copy the converted Ruby code.
Click "Example" to load sample JSON data.

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About JSON to Ruby

JSON to Ruby is a free online code generation tool that helps you quickly convert JSON data to Ruby hash code. In Ruby development, we often need to define Ruby data structures based on API-returned JSON data, which is time-consuming and error-prone when done manually.

Simply paste JSON data and the tool will automatically analyze the JSON structure and generate the corresponding Ruby hash literal. Supports conversion of all JSON types including strings, numbers, booleans, arrays, and nested hashes. Generated code can be directly copied into Ruby scripts. The entire operation runs locally in the browser without uploading data to any server.