XML to NDJSON Converter
Extract repeating records and elements from XML documents into compact Newline Delimited JSON (NDJSON / JSONL) streams.
At a glance
XML to NDJSON Converter is a free web tool that converts XML documents and repeating records into Newline Delimited JSON (NDJSON / JSONL) streams. It automatically detects repeating record structures (e.g., <item>, <record>, <transaction>) under root. Automatically casts numeric strings and boolean flags into native JSON types. All processing is local: nothing is uploaded, and no account is required.
XML to NDJSON Converter
200th Milestone Tool 100% Client-SideConvert XML documents into clean, compact Newline Delimited JSON (NDJSON / JSONL) lines directly in your browser. Extract repeating nodes into stream-ready lines.
# NDJSON output will appear here...
About XML to NDJSON Conversion
Newline Delimited JSON (NDJSON / JSONL) is an essential streaming format for big data architectures, log processors, and AI training pipelines. XML is widely used in legacy systems, financial feeds, and enterprise web services. Converting nested XML records into individual JSON lines unlocks instant compatibility with modern cloud data warehouses like Snowflake, BigQuery, and Elasticsearch.
Smart Repeating Node Detection
Leave the Target Element as auto to automatically identify repeating child nodes inside root containers, RSS channels, or collections. Or specify any exact element name to target specific records.
Flexible Attribute Handling
Choose whether XML attributes are prefixed with @ (following standard XPath and XML-to-JSON conventions), merged directly as normal JSON object keys, or completely ignored.
Why Use This XML to NDJSON Converter?
How to Use XML to NDJSON Converter
Paste XML or Load Preset
Paste your XML markup into the left editor or choose from the built-in domain presets (Transactions, RSS Feed, User Catalog).
Select Target Element & Options
Choose your target element (auto or custom tag like item), attribute handling mode, and type coercion toggle.
Copy or Download NDJSON
Inspect the generated NDJSON stream in the right viewer, copy it to your clipboard, or download it as an .ndjson file.
RSS Channel Items XML to Streaming NDJSON
Extracts repeating <item> elements from the XML channel into clean, streaming JSON lines with type-coerced integers and booleans.
<rss version="2.0"><channel><item><id>1</id><title>First Post</title><active>true</active></item><item><id>2</id><title>Second Post</title><active>false</active></item></channel></rss>
{"id":1,"title":"First Post","active":true}
{"id":2,"title":"Second Post","active":false}
Technical Specifications & Engine Details
| Specification | Details |
|---|---|
| Supported Formats | APPLICATION/XML, TEXT/XML, TEXT/PLAIN, .XML, .TXT → APPLICATION/X-NDJSON, APPLICATION/JSONL, TEXT/PLAIN, .NDJSON, .JSONL |
| Execution Mode | 100% Client-Side In-Browser (client) |
| Browser Requirements | Modern browser with JavaScript enabled. |
| Performance Constraints | Runs 100% client-side in browser memory. Performance bounded by local device RAM. |
100% Client-Side Privacy Guarantee
Your files remain strictly on your local device. Zero data is transmitted to external servers.
Frequently Asked Questions
Is my XML data kept private when converting?
How does the tool know which XML element to convert into records?
How are XML attributes handled in the resulting JSON?
Can I convert large XML files?
What is the difference between NDJSON and standard JSON?
Methodology
Rankings and recommendations here are never paid for.
Last updated .