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JSON Lines Converter
Convert JSON arrays to JSONL/NDJSON and JSON Lines back into an array.
✓ Free tool✓ No signup✓ Private in-browser workflow
01Add sourceYour data stays local
02ProcessUse focused settings
03Copy outputCopy or download
BEFORE YOU START
About JSON Lines Converter
Convert JSON arrays to JSONL/NDJSON and JSON Lines back into an array. This tool operates locally in your browser and does not upload your work to RuvoKit servers.
Check the generated output before using it in a production website or an official document.
YOUR WORKFLOW
Quick guide
- Fill in the purpose-built input fields.
- Run the operation and review the result.
- Copy the text or download the generated output.
How to use JSON Lines Converter
- Enter a JSON array or one JSON object per line.
- Choose JSON array to JSON Lines or the reverse direction.
- Convert and review each output record before exporting.
What to know before you start
JSON Lines is designed for one independent JSON value per line. Do not place pretty-printed multi-line objects in JSONL input.