01
Paste JSON data
Add a JSON array, object, API response, or upload a .json file. Use the sample button to test nested fields and arrays.
JSON converter tool
JSON to Excel Converter Online
Convert JSON arrays, objects, and API responses into a real Excel .xlsx spreadsheet in one click. Flatten nested data, keep column headers, freeze the header row, enable filters, preview as CSV, and download a workbook generated locally in your browser.
100% client sideReal .xlsx exportCopy and download
How to convert JSON to Excel
Three steps, zero setup02
Choose sheet options
Set sheet name, flatten nested objects, keep headers, freeze the header row, and enable Excel filters.
03
Download .xlsx
Preview the spreadsheet as CSV, copy it when useful, or download a real Excel workbook generated in your browser.
Built for spreadsheets and data handoff
Turn JSON API responses, exports, fixtures, and admin data into spreadsheet-ready workbooks without installing packages or sending private records to a server.
100% client side
Your data never leaves the browser. No uploads, logs, or server processing.
Real XLSX files
Download an OpenXML workbook that opens in Excel, Sheets, Numbers, and LibreOffice.
Sheet controls
Customize sheet name, headers, frozen header row, and auto filters.
Nested JSON ready
Flatten nested objects into columns and preserve arrays as JSON cell values.
Instant preview
See an Excel-ready CSV preview live as you type before downloading.
Excel workflow
Copy CSV preview or download a real workbook for spreadsheet handoff.
Frequently asked questions
7 answersDownload JSON as XLSX Free
The JSON to Excel converter generates a real OpenXML .xlsx file directly in your browser and triggers a free download with no server upload required. The downloaded file opens in Microsoft Excel, Google Sheets (via File import), LibreOffice Calc, and Apple Numbers. Nested JSON is flattened with dot notation so every value lands in its own column and header row.