Lua Formatter
Format and beautify Lua scripts with proper indentation and block structure
Lua Formatting Tips
- Use 2-space indentation as is conventional in the Lua community.
- Avoid globals — use local variables whenever possible for better performance.
- Use semicolons only when separating multiple statements on the same line.
Professional Lua Processing Features
Everything you need to work with Lua data efficiently and professionally
Block Detection
Automatically detects do/end, if/end, function/end, for/end, while/end, and repeat/until blocks.
Beautify Lua Code
Transform messy Lua scripts into clean, consistently indented code with proper block structure.
Table Formatting
Properly format Lua table constructors with consistent key-value alignment and nested tables.
Function Formatting
Correctly format function definitions, anonymous functions, and method calls with clean parameters.
Fast Processing
Format Lua files up to 10MB instantly with client-side processing, no server round-trips needed.
Syntax Aware
Understands Lua syntax including string patterns, metatables, coroutines, and closures.
How It Works
Simple steps to process your Lua like a pro
Paste Your Lua Code
Paste your Lua script into the input area, or load a sample to get started.
Customize Options
Choose indentation size to match your project conventions.
Format & Review
Click the format button to beautify your Lua code and review the clean output.
Copy or Download
Copy the formatted code to your clipboard or download it as a file for your project.
Professional Lua Formatter & Validator
Trusted by millions of developers worldwide for reliable Lua processing
Built by Experts
Our Lua formatter is developed by experienced game developers with deep expertise in Lua scripting. Built to handle game engine scripts and embedded Lua, it delivers clean and readable results every time.
Key Technical Features:
- • Lua syntax-aware parsing with keyword matching
- • Support for Lua 5.4 features including bitwise operators
- • Intelligent indentation for do/end, if/end, function/end blocks
- • Client-side processing for maximum security and speed
- • Support for large scripts up to 10MB
Trusted & Secure
Trusted by game developers and embedded systems engineers worldwide. Our commitment to privacy means your Lua scripts never leave your browser.
Security & Privacy:
- • 100% client-side processing - data never sent to servers
- • No tracking, cookies or data collection
- • HTTPS encryption for secure connections
- • No data stored or cached after processing
- • GDPR and CCPA compliant approach
Why Professionals Choose EZ Formatter
Join millions of developers who trust our Lua formatter for their daily development workflow. No registration required, completely free, and built with privacy in mind.
Frequently Asked Questions
Common questions about Lua Formatter formatting answered
Yes, our Lua formatter is completely free with no registration required. All processing happens in your browser.
Yes, it handles standard Lua 5.1 through 5.4 syntax and most LuaJIT extensions including FFI.
Yes, the formatter works with Roblox Lua (Luau) and Love2D scripts, as well as standard Lua for any game engine.
No. The formatter only adjusts whitespace and indentation. It never modifies identifiers, values, or logic.
Yes, the formatter properly handles metatable definitions, __index patterns, and object-oriented Lua code structures.