ConvertUtility

JSON to NDJSON Converter

Convert a JSON array into NDJSON format (newline-delimited JSON). Useful for logs, BigQuery, and data pipelines.

How to use

  1. Paste JSON (array of objects or values).
  2. The tool converts it to NDJSON (one JSON per line).
  3. Copy or download the NDJSON output.

FAQ

What JSON input works best?

A JSON array like [{"a":1},{"a":2}] is ideal.

Does it work with nested objects?

Yes — each line is a valid JSON value.

Is my data uploaded?

No — conversion runs locally in your browser.