Convert Excel (.xlsx) to JSON Lines
Free, online, no install. Upload your file and download the result in seconds.
Convert Excel (.xlsx) to JSON Lines now →Source format
Excel (.xlsx)
Excel (.xlsx) is Microsoft's spreadsheet format, used in offices worldwide for data storage, reporting, and analysis.
Target format
JSON Lines
JSON Lines (JSONL) stores one JSON object per line, ideal for streaming data, log files, and large datasets that need line-by-line processing.
How it works
- 1. Click the button above to open Reparatio. Click Upload File and select your Excel (.xlsx) file.
- 2. Reparatio previews your data instantly — schema, column types, and the first rows — so you can confirm the file loaded correctly.
- 3. Select JSON Lines from the format dropdown and click Download Converted File. Done.
Common questions
Is it free?
Up to 100 rows are always free with no account required. Register a free account and verify your email to get 250 rows and 25 conversions per day. Full files require a Standard ($29/mo) or Professional ($79/mo) plan.
Is my data safe?
Files are processed in memory and never stored. They are not used for any purpose other than your conversion. See the Privacy Policy.
What's the file size limit?
Free accounts: 10 MB. Standard plan: 500 MB. Professional plan: 2 GB.
Can I automate this?
Yes — Reparatio has a REST API, CLI, Python/JS SDK, and an MCP server for AI assistants. All are available on the Professional plan ($79/mo). See the API docs.