Luau Formatter

Format and beautify Luau code for Roblox with type annotations and full syntax support

Luau Input

Formatted Output

Luau Formatting Tips

Use tabs for indentation, as recommended by the official Roblox Lua Style Guide that StyLua follows.
Annotate function signatures with Luau types — the formatter keeps them aligned and readable.
Prefer compound assignments (+=, -=, ..=) and string interpolation (`hello {name}`) for cleaner Luau code.
Working with plain Lua (5.1-5.4) instead? Our Lua Formatter handles standard Lua scripts. Lua Formatter →

Professional Luau Processing Features

Everything you need to work with Luau data efficiently and professionally

Luau Syntax Aware

Understands all Luau syntax: type annotations, generics, type aliases, compound assignments, and string interpolation.

Roblox Style Guide

Follows the official Roblox Lua Style Guide with tab indentation, matching the conventions of Roblox Studio.

Type Annotation Support

Formats type annotations, function signatures, and table types with clean, consistent alignment.

StyLua Engine

Built on StyLua, the battle-tested formatter used by professional Roblox teams and open-source projects.

Fast WASM Processing

Formats Luau files up to 10MB instantly with client-side WebAssembly, no server round-trips needed.

Deterministic Output

Produces the same clean output every time, so your whole team gets consistent formatting.

How It Works

Process your Luau in a few simple steps — built for Canadian developer workflows

Paste Your Luau Code

Paste your Roblox Luau script into the input area, or load a sample to get started.

Format Instantly

Click the format button and StyLua beautifies your code following the Roblox style guide.

Review the Output

Check the formatted result with clean indentation, aligned types, and consistent spacing.

Copy or Download

Copy the formatted Luau code back into Roblox Studio or your favorite editor.

Professional Luau Formatter & Validator

Trusted by Canadian developers — from Toronto startups to Vancouver enterprises — for reliable Luau processing that keeps data private

Built by Experts

Our Luau formatter is built on StyLua, the same engine used by professional Roblox developers. It follows the official Roblox Lua Style Guide and understands every Luau feature, from type annotations to string interpolation.

Key Technical Features:

• Powered by StyLua, the formatter trusted by the Roblox community
• Full Luau syntax support including type annotations and generics
• Handles compound assignments and string interpolation correctly
• Client-side processing for maximum security and speed
• Support for large scripts up to 10MB

Trusted & Secure

Trusted by Roblox game developers and scripters worldwide. Your Luau scripts are formatted entirely in your browser and never leave your device.

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

99.9%

Uptime Reliability

<100ms

Average Processing Time

10M+

Luau Files Processed Monthly

Join thousands of Canadian developers who rely on our Luau formatter for their daily workflow. No registration, completely free, and built with privacy front of mind — perfect for quick formatting between standups or during deep work sessions.

Luau Formatter Formatting for Canadian Developer Workflows

In Canada, Luau Formatter files underpin APIs at Toronto fintechs, pipelines at Vancouver studios, analytics at Montreal AI labs, and research at institutions like U of T and UBC. Canadian teams typically align Luau Formatter conventions with North American standards while respecting bilingual and ISO-friendly norms — think ISO 8601 dates (YYYY-MM-DD, the official Canadian standard), metric units, and Toronto/Mountain/Pacific timezone handling. Our formatter processes Luau Formatter the way Canadian engineers actually work — no registration, no upload, data never leaves your machine, which matters under PIPEDA and provincial privacy law. Whether you're cleaning an API payload in the Distillery District, validating config for a Saskatoon ag-tech firm, or prepping data for a thesis in Halifax, everything runs client-side and finishes in milliseconds.

Frequently Asked Questions

Common questions about Luau Formatter formatting answered

Yes. All Luau Formatter processing is performed locally in your browser, with no upload to any server. This no-upload, no-tracking design aligns well with PIPEDA and provincial privacy requirements for personal information.

The formatter preserves your original timestamps unchanged and works fine with ISO 8601 dates (YYYY-MM-DD, Canada's official standard) as well as America/Toronto, America/Winnipeg, America/Edmonton and America/Vancouver timezones.

Yes — no registration, no login, no SSO needed. Open the page, paste your Luau Formatter, and format immediately, with no usage telemetry tied to your identity, which suits bilingual and regulated Canadian workplaces.

Yes, our Luau formatter is completely free with no registration required. All formatting happens in your browser using WebAssembly.

Yes, it fully supports Luau type annotations, type aliases, generics, and exported types. Types are preserved and cleanly aligned in the output.

Absolutely. It is designed for Roblox development and follows the official Roblox Lua Style Guide, using tab indentation like Roblox Studio.

No. The formatter only adjusts whitespace, indentation, and line breaks. It never modifies identifiers, values, types, or logic.

Yes, Luau-specific syntax like backtick string interpolation (`hello {name}`) and compound assignments (+=, -=, ..=) is fully supported.