JSON to Lua Converter

Table Name:

JSON Input

Lua Output

What is JSON to Lua Converter?

Need to generate Lua tables from your JSON (JavaScript Object Notation) data? This tool does that instantly. Perfect for Lua developers working with game development, embedded systems, or scripting who need to deserialize JSON into Lua tables. Generate Lua tables, nested structures, and type definitions automatically.

According to Lua documentation, tables are the primary data structure in Lua and work perfectly for JSON data. Our converter analyzes your JSON structure and generates proper Lua tables. First, validate your JSON using our JSON Validator, then convert it to Lua. You can also format your JSON with our JSON Formatter first if needed.

Everything happens in your browser – your JSON never leaves your computer. Convert, download, and use your Lua code right away.

How to Use JSON to Lua

Follow these steps to convert JSON to Lua tables. Each step uses the actual buttons and panels on this page.

Paste, Upload, or Load Sample

Paste your JSON into the left JSON Input panel, or click Upload to load a .json or .txt file. Click Sample to see example JSON. Example input:

{"subscriberId":"SUB-1001","plan":"Unlimited 5G","dataUsage":45.2,"status":"active"}

Invalid JSON will show an error. Use our JSON Validator first if unsure. Configure table name in the options above.

View Generated Lua Output

The right Lua Output panel shows the generated Lua tables instantly. JSON objects become tables, arrays become tables with numeric indices.

Download or Copy

Click Download to save the Lua file, or Copy to copy to your clipboard. Use Clear on the input panel to start over. All processing runs in your browser.

When You'd Actually Use This

Game Development

Generate Lua tables from JSON configs for game engines. Create data structures for JSON-based game configurations, level data, or asset definitions. Perfect for Lua-based game engines.

Embedded Systems

Create Lua tables from JSON data for embedded systems. Generate data models for JSON-based configurations or device settings. Perfect for Lua scripting in embedded applications.

Scripting

Generate Lua code from JSON data structures. Perfect for creating data models, configuration tables, or data definitions from JSON schemas.

Configuration Files

Convert JSON configuration files to Lua tables. Makes configuration management easier in Lua applications and scripts.

Common Questions

Is my JSON data stored?

Nope. Everything happens right in your browser. Your JSON never leaves your computer – we don't even see it. Check out the ECMA-404 standard for more details.

How are JSON objects handled?

JSON objects become Lua tables. Properties become table keys, and nested objects become nested tables. Arrays become Lua tables with numeric indices starting from 1. Check out the RFC 8259 for more details.

Can I use the generated Lua code?

Yes. The generated Lua code is valid and ready to use. Drop it into your Lua project and start using it. You may want to review and refine the tables for your specific use case.

What Lua version is supported?

The generated code works with Lua 5.1 and later. It uses standard Lua features and follows Lua conventions for maximum compatibility.

Does it work with large JSON files?

Yep. Since everything happens in your browser, it depends on your device. Small to medium JSON structures convert instantly. Really huge structures might take a few seconds.

What about JSON parsing libraries?

The generated Lua code uses native Lua tables. You can use libraries like dkjson or cjson to parse JSON strings into these table structures.

Other JSON Tools You Might Need

Conversion is just one JSON task. Here are other tools that work well together: