Convert NDJSON to Lua Table Online - Free, Local & Instant
Instant NDJSON (.ndjson) to Lua Table (.lua) converter. 100% client-side processing in your browser RAM — zero file uploads, full privacy, drag & drop or paste raw text.
Technical Comparison: NDJSON vs Lua Table
Data & Dev Config| Specification | NDJSON (Source) | Lua Table (Target) |
|---|---|---|
| Full Specification | Newline-Delimited JSON (JSON Lines / JSONL) | Lua / Roblox Luau Native Table Literal |
| File Extension & MIME | .ndjson (application/x-ndjson) | .lua (text/x-lua) |
| Data Typing Model | One self-contained JSON record per line | Dynamic (1-based arrays, dictionary records, booleans, numbers, nil) |
| Structure & Hierarchy | Streamable sequence of structured JSON objects | Nested associative/array tables { key = value } |
| Comments Support | None | Supported (-- single line and --[[ block ]]) |
| Primary Ecosystem | BigQuery imports, LLM fine-tuning datasets, Logstash/Elastic streams | Roblox Studio ModuleScripts, Love2D, World of Warcraft addons, Neovim configs |
NDJSON to Lua Table — Before & After Example
{"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"}}
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: NDJSON to Lua Table
How do I convert NDJSON to Lua Table online without uploading sensitive files? ▾
Paste your NDJSON data or drag and drop a .ndjson file into the converter above. ZeroUpload parses NDJSON 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 NDJSON and Lua Table? ▾
When converting hierarchical structures (Streamable sequence of structured JSON objects) 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 NDJSON 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 NDJSON, database exports, and production secrets.
Can I convert Lua Table back to NDJSON? ▾
Yes! Click the "Swap (Lua Table → NDJSON)" button at the top of the workspace or use the reverse converter link at the bottom of this page for bidirectional conversion.