JSON to JSON Lines
Write each item of a JSON array on its own line.
Your workspace
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Your files and text are processed in this browser. They are not uploaded to our server. Closing or refreshing the page clears your work.
How to use this tool
- Write each item of a JSON array on its own line.
- Enter your content or select files, review the options and click Run tool. Example values are provided for text and calculations.
- Review the result, then copy or download it. Keep originals; closing the page clears your work.
Before you start
Text: 200,000 characters; structured data: 50 levels and 20,000 nodes. YAML accepts JSON-compatible types; complex keys, aliases and custom tags are not supported. XML mapping is documented in the workspace and is not a universal round-trip format. CSV preserves cell strings, including spreadsheet formulas: inspect before opening. ZIP: 50 MB, 2,000 entries; listing only, no extraction or ZIP64.
Quick answers
Does this tool send my input to a server?
No. Your input is processed in this browser. Download the result before closing the page; your workspace is not saved to an account.
What should I check before using the result?
Keep the original. Check the output’s content, layout, quality and format before sharing it or using it for important work. Review the limitations above for details.
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