Your file stays private
The file is processed directly inside your browser and does not need to be uploaded to a JubKub server.
📊 XLSX → JSON
XLSX to JSON Converter
Convert XLSX to JSON directly inside your browser.
Drag a XLSX file here or
Supports XLSX
Maximum file size 25 MBSelected file--
No content is invented
JubKub does not translate, rewrite or automatically generate new content.
The first worksheet is exported as an array of arrays so JubKub does not invent column names.
How to convert XLSX to JSON
- Choose a XLSX file from your device.
- Click Convert to JSON.
- The file is processed inside your browser.
- Review and download the resulting JSON file.