Convert XML to NDJSON Online - Free, Local & Instant
Instant XML (.xml) to NDJSON (.ndjson) converter. 100% client-side processing in your browser RAM — zero file uploads, full privacy, drag & drop or paste raw text.
Technical Comparison: XML vs NDJSON
Data & Dev Config| Specification | XML (Source) | NDJSON (Target) |
|---|---|---|
| Full Specification | Extensible Markup Language | Newline-Delimited JSON (JSON Lines / JSONL) |
| File Extension & MIME | .xml (application/xml) | .ndjson (application/x-ndjson) |
| Data Typing Model | Element & @attribute nodes with text/CDATA payloads | One self-contained JSON record per line |
| Structure & Hierarchy | Tree of parent/child elements and attributes | Streamable sequence of structured JSON objects |
| Comments Support | Supported (<!-- comment -->) | None |
| Primary Ecosystem | Enterprise SOAP feeds, RSS/Atom, Android layouts, Maven POM | BigQuery imports, LLM fine-tuning datasets, Logstash/Elastic streams |
XML to NDJSON — Before & After Example
<?xml version="1.0" encoding="UTF-8"?>
<users>
<user>
<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>
</user>
<user>
<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>
</user>
<user>
<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>
</user>
</users>
{"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"}}
Frequently Asked Questions: XML to NDJSON
How do I convert XML to NDJSON online without uploading sensitive files? ▾
Paste your XML data or drag and drop a .xml file into the converter above. ZeroUpload parses XML and serializes NDJSON 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 XML and NDJSON? ▾
When converting hierarchical structures (Tree of parent/child elements and attributes) and tabular or config formats (Streamable sequence of structured JSON objects), our engine automatically flattens or unflattens dot-separated keys (such as address.city) and preserves numbers, booleans, arrays, and null values.
Is this XML to NDJSON 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 XML, database exports, and production secrets.
Can I convert NDJSON back to XML? ▾
Yes! Click the "Swap (NDJSON → XML)" button at the top of the workspace or use the reverse converter link at the bottom of this page for bidirectional conversion.