XLSX to JSON
Convert XLSX to JSON in your browser. Your file is never uploaded.
This free XLSX to JSON converter runs in your browser. Drop in a XLSX file and download a JSON a moment later, with no upload, no sign-up, and nothing to install. Because the work happens on your own device, your file never leaves it.
What is XLSX?
XLSX is the modern Excel workbook format. It holds multiple sheets, formulas, and formatting.
What is JSON?
JSON is a structured text format used to move data between programs and APIs. Converting to and from CSV or XLSX bridges code and spreadsheets.
Questions
Is the XLSX to JSON converter free?
Yes, it is free with no sign-up and no watermark. There is no cap on how many files you can convert, and nothing to install.
Do my files get uploaded to a server?
No. The conversion runs entirely in your browser using code that loads onto your device, so the file is read, converted, and downloaded locally. It never reaches us or anyone else.