Free Developer Tool
NDJSON to JSON
Convert JSON Lines (NDJSON) files into standard JSON arrays.
What is NDJSON to JSON?
The NDJSON to JSON Converter transforms JSON Lines documents into standard JSON arrays, making them compatible with APIs, applications and data processing tools.
How to use
- Paste or upload NDJSON.
- Convert to JSON.
- Copy or download the result.
Features
- Convert NDJSON to JSON
- Preserve data
- Instant conversion
- Formatted output
Common Use Cases
- Preparing API payloads
- Importing data
- Converting log files
- Working with JSON applications
Example
Input
{"id":1}
{"id":2}Output
[
{
"id": 1
},
{
"id": 2
}
]FAQ
Does it preserve all records?
Yes. Every valid NDJSON record is included in the resulting JSON array.
Can invalid NDJSON be converted?
No. All input records must be valid JSON.
Is the output formatted?
Yes. The generated JSON is properly formatted for readability.
Missing a feature?
If this tool doesn't cover your use case or is missing functionality, please let me know through the Contact page.
New improvements and features are added based on user feedback.