Convert XLSX to JSON Lines
Turn Excel workbook files (.xlsx) into JSON Lines / NDJSON (.jsonl) in seconds. Drop one file or a whole batch: the conversion happens right in your browser, with no sign-up, no watermark and no upload.
JSON Lines to XLSX insteadHow to convert XLSX to JSON Lines
- 1Drop your XLSX files into the box above, or click to choose them.
- 2JSON Lines is already selected. Adjust the options if you like.
- 3Click Convert and download your JSON Lines files.
Good to know
- You can pick which sheet to convert. Formulas are exported as their calculated values.
- Column types such as numbers and true/false values are detected, and you can set the delimiter and header row.
Frequently asked questions
Is converting XLSX to JSON Lines free?
Yes. There is no sign-up, no watermark and no limit on the number of files.
Are my files uploaded?
No. Everything runs in your browser, so your files are never uploaded to a server. That also makes it fast, because nothing has to travel over the network.
Will I lose quality converting XLSX to JSON Lines?
No noticeable loss: the conversion keeps the content of your XLSX file intact.
Can I convert several files at once?
Yes. Drop as many XLSX files as you like. They are converted one after another and you can download them individually or as a ZIP.
Is there a file size limit?
There is no fixed limit. Very large files depend on your device's memory, since the conversion runs locally.
What is XLSX?
XLSX is the Microsoft Excel spreadsheet format, holding one or more sheets of tabular data.
What is JSON Lines?
JSON Lines stores one JSON record per line, which is handy for logs, streaming and large datasets.