How to use the JSON to Excel (XLSX) Converter
- Choose or drop your JSON file.
- Select Convert. Conversion happens instantly in your browser.
- Preview the result and download your Excel file.
About this JSON to Excel converter
Get JSON data into Excel in one step, with numbers kept as numbers and nested objects spread across readable columns.
How JSON to Excel conversion works
- The JSON is parsed and flattened just like JSON to CSV.
- An XLSX workbook is generated locally with column widths sized to the data.
Conversion quality: Exact. Nested objects are flattened into columns; numbers stay numeric.
When to convert JSON to Excel
- Sharing API data with finance or operations teams
- Building pivot tables from exported records
Limitations to be aware of
- Excel has a limit of 1,048,576 rows per sheet.
JSON vs Excel
JSON. JSON (JavaScript Object Notation) is the most common format for exchanging structured data between web services. It supports nested objects and arrays, strings, numbers, booleans and null.
Excel (XLSX). XLSX is the default Microsoft Excel workbook format since Excel 2007. It can hold multiple sheets, formulas, formatting and charts.
Frequently asked questions
Does it work with nested JSON?
Yes. Nested objects become columns such as address.city; arrays of objects are stored as JSON text in a cell.
Are my files uploaded?
No. This tool reads and processes files directly in your web browser. Nothing is sent to Expensico's servers, and the data is discarded when you close or reload the page.