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{}JSONKits

NDJSON to JSON Converter

Parse newline-delimited JSON (NDJSON) into a standard JSON array. Perfect for processing streaming data and log files.

Input

text
loading editor…

Paste your NDJSON here...
or drop a file anywhere in this pane

Output

json

JSON array output will appear here...
press ⌘↵ to convert to json

What Is NDJSON to JSON Conversion?

Converting NDJSON to JSON reads each line as an independent JSON object and collects them into a standard JSON array. This is essential when processing streaming data or logs for import into tools that expect standard JSON arrays.

This is useful for:

  • Log Analysis: Converting streaming log files to array format for analysis.
  • Data Import: Preparing NDJSON data for databases that expect JSON arrays.
  • Batch Processing: Loading streaming records into batch processing pipelines.

How to Convert NDJSON to JSON Online

  1. Paste NDJSON lines: Enter one JSON object per line.
  2. Click Convert: Collect all lines into a JSON array.
  3. Copy the array: Use with any standard JSON tool.

Frequently Asked Questions

What if a line has invalid JSON?

The parser will throw an error indicating which line is invalid. Fix and retry.

Does it handle empty lines?

Yes. Empty lines and whitespace-only lines are automatically skipped.

Is this tool safe?

Yes. Processing is 100% client-side.

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