Lua Minifier & Compressor Online

Use this online minifier and compressor to reduce Lua script size and speed up load times. Write, paste or upload your .lua file and choose safe compression options. The tool removes non essential characters and can shorten local names when requested while keeping runtime behavior intact.

Core Features

  • Minify Lua by removing comments and redundant whitespace
  • Compress by collapsing expressions
  • Optional local name mangling to shrink identifiers for extra savings
  • Safe presets that avoid renaming globals or library calls used by frameworks
  • Runs in the browser so your code never leaves your machine

How to use this Lua compressor

  1. Write, paste or upload your Lua script into the editor
  2. Choose optimization options fro your Lua code
  3. Click Minify Lua button for minification and compression
  4. After minification, copy or download the minified script in .lua file

Why Minify And Compress Lua?

  • Smaller Lua files reduce transfer time for remote scripts and embedded systems
  • Reduced size helps when distributing assets to constrained devices
  • Compression lowers memory footprint in environments that load scripts repeatedly
  • Minified builds are useful for production while keeping readable sources for development

Lua Minifier Examples

Example 1: Simple function

Formatted Lua

Copy
Lua Code Before Minification: 0.19 KB
-- Compute factorial
local function factorial(n)
	if n <= 1 then
		return 1
	end
	local result = 1
	for i = 2, n do
		result = result * i
	end
	return result
end

print(factorial(5))

Minified Lua

Copy
Lua Code After Minification: 0.13 KB
local function factorial(n)if n<=1 then return 1 end;local result=1;for i=2,n do result=result*i end;return result end;print(factorial(5))

Example 2: Lua Minification with Local Mangling

Formatted Lua

Copy
Lua Code Before Minification: 0.27 KB
local users = {
	{ id = 1, name = "Alice" },
	{ id = 2, name = "Bob" }
}

local function names(list)
	local out = {}
	for _, u in ipairs(list) do
		table.insert(out, u.name)
	end
	return out
end

for _, n in ipairs(names(users)) do
	print(n)
end

Minified Lua

Copy
Lua Code After Minification: 0.17 KB
local a={{id=1,name="Alice"},{id=2,name="Bob"}}local function b(a)local b={}for a,a in ipairs(a)do table.insert(b,a.name)end;return b end;for a,a in ipairs(b(a))do print(a)end

Customization options

This Lua minifier tool has below customization options available to optimize the scripts.

OptionDefaultDescription
Rename VariablesFalseRename local variables to shorter names for smaller code
Rename GlobalsFalseRename global variables to shorter names for size reduction
Simplify MathFalseSimplify mathematical expressions where possible

Best Practices For Lua Minification

  • Always validate Lua code before minifying
  • Keep a backup of original Lua files
  • Use minified Lua only in production
  • Combine minification with Lua obfuscation if needed
  • Test performance after compression

Conclusion

This online Lua minifier and compressor provides a fast and safe way to shrink scripts efficiently. Minified builds make distribution and loading more efficient while keeping source versions readable in your repository.