Convert NDJSON to XML Online - Free, Local & Instant
Instant NDJSON (.ndjson) to XML (.xml) converter. 100% client-side processing in your browser RAM — zero file uploads, full privacy, drag & drop or paste raw text.
Technical Comparison: NDJSON vs XML
Data & Dev Config| Specification | NDJSON (Source) | XML (Target) |
|---|---|---|
| Full Specification | Newline-Delimited JSON (JSON Lines / JSONL) | Extensible Markup Language |
| File Extension & MIME | .ndjson (application/x-ndjson) | .xml (application/xml) |
| Data Typing Model | One self-contained JSON record per line | Element & @attribute nodes with text/CDATA payloads |
| Structure & Hierarchy | Streamable sequence of structured JSON objects | Tree of parent/child elements and attributes |
| Comments Support | None | Supported (<!-- comment -->) |
| Primary Ecosystem | BigQuery imports, LLM fine-tuning datasets, Logstash/Elastic streams | Enterprise SOAP feeds, RSS/Atom, Android layouts, Maven POM |
NDJSON to XML — 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"}}
<?xml version="1.0" encoding="UTF-8"?>
<root>
<item>
<id>1</id>
<name>Alice Johnson</name>
<email>alice@example.com</email>
<role>admin</role>
<active>true</active>
<score>98.5</score>
<address>
<city>Berlin</city>
<country>DE</country>
</address>
</item>
<item>
<id>2</id>
<name>Bob Smith</name>
<email>bob@example.com</email>
<role>editor</role>
<active>false</active>
<score>87</score>
<address>
<city>Austin</city>
<country>US</country>
</address>
</item>
<item>
<id>3</id>
<name>Chiara Rossi</name>
<email>chiara@example.com</email>
<role>viewer</role>
<active>true</active>
<score>91.25</score>
<address>
<city>Milan</city>
<country>IT</country>
</address>
</item>
</root>
Frequently Asked Questions: NDJSON to XML
How do I convert NDJSON to XML 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 XML 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 XML? ▾
When converting hierarchical structures (Streamable sequence of structured JSON objects) and tabular or config formats (Tree of parent/child elements and attributes), 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 XML 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 XML back to NDJSON? ▾
Yes! Click the "Swap (XML → NDJSON)" button at the top of the workspace or use the reverse converter link at the bottom of this page for bidirectional conversion.