NDJSON to JSON Converter

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

JSON array output will appear here...

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:

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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