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Data & Dev Config • Zero-Server RAM Execution

Convert CSV to Lua Table Online - Free, Local & Instant

Instant CSV (.csv) to Lua Table (.lua) converter. 100% client-side processing in your browser RAM — zero file uploads, full privacy, drag & drop or paste raw text.

CSV → Lua Table ⇄ Swap (Lua Table → CSV)

Technical Comparison: CSV vs Lua Table

Data & Dev Config
Specification CSV (Source) Lua Table (Target)
Full Specification Comma-Separated Values (RFC 4180) Lua / Roblox Luau Native Table Literal
File Extension & MIME .csv (text/csv) .lua (text/x-lua)
Data Typing Model Flat text columns (auto-inferred numbers & booleans) Dynamic (1-based arrays, dictionary records, booleans, numbers, nil)
Structure & Hierarchy 2D tabular rows (nested keys flattened via dot-notation) Nested associative/array tables { key = value }
Comments Support None Supported (-- single line and --[[ block ]])
Primary Ecosystem Excel, Google Sheets, pandas DataFrames, BI & analytics imports Roblox Studio ModuleScripts, Love2D, World of Warcraft addons, Neovim configs

CSV to Lua Table — Before & After Example

Before (CSV Input)
id,name,email,role,active,score,address.city,address.country
1,Alice Johnson,alice@example.com,admin,true,98.5,Berlin,DE
2,Bob Smith,bob@example.com,editor,false,87,Austin,US
3,Chiara Rossi,chiara@example.com,viewer,true,91.25,Milan,IT
After (Lua Table Output)
local data = {
  {
    id = 1,
    name = "Alice Johnson",
    email = "alice@example.com",
    role = "admin",
    active = true,
    score = 98.5,
    address = {
      city = "Berlin",
      country = "DE",
    },
  },
  {
    id = 2,
    name = "Bob Smith",
    email = "bob@example.com",
    role = "editor",
    active = false,
    score = 87,
    address = {
      city = "Austin",
      country = "US",
    },
  },
  {
    id = 3,
    name = "Chiara Rossi",
    email = "chiara@example.com",
    role = "viewer",
    active = true,
    score = 91.25,
    address = {
      city = "Milan",
      country = "IT",
    },
  },
}

return data

Frequently Asked Questions: CSV to Lua Table

How do I convert CSV to Lua Table online without uploading sensitive files? ▾

Paste your CSV data or drag and drop a .csv file into the converter above. ZeroUpload parses CSV and serializes Lua Table 100% inside your browser RAM using local JavaScript—no bytes are ever sent to an external server.

How are nested objects or tabular columns mapped between CSV and Lua Table? ▾

When converting hierarchical structures (2D tabular rows (nested keys flattened via dot-notation)) and tabular or config formats (Nested associative/array tables { key = value }), our engine automatically flattens or unflattens dot-separated keys (such as address.city) and preserves numbers, booleans, arrays, and null values.

Is this CSV to Lua Table converter free for commercial and production config files? ▾

Yes. The tool is completely free, requires no account or API key, and works offline once loaded. Because execution happens in local memory, it is safe for proprietary CSV, database exports, and production secrets.

Can I convert Lua Table back to CSV? ▾

Yes! Click the "Swap (Lua Table → CSV)" button at the top of the workspace or use the reverse converter link at the bottom of this page for bidirectional conversion.