ConvertUtility

NDJSON to JSON Converter

Convert NDJSON (one JSON per line) into a JSON array. Great for quickly inspecting logs or exports.

How to use

  1. Paste NDJSON (one JSON per line).
  2. The tool parses lines into a JSON array.
  3. Copy or download the JSON output.

FAQ

What counts as a line?

Each non-empty line is parsed as a separate JSON value.

What if one line is invalid JSON?

The tool reports an error with the line number.

Is my data uploaded?

No — conversion runs locally in your browser.