Convert Excel to JSON Online
Convert Excel to JSON online, free and private: your data never leaves your browser. Drop an XLSX, XLS, XLSM or XLSB file, edit in a real spreadsheet grid, then copy or download clean JSON.
Drop a CSV or Excel file here
CSV · XLSX · XLS · XLSM · XLSB
Ready to download as a binary file.
How to convert Excel to JSON
Three steps from workbook to structured JSON.
1. Upload Excel
Drop an XLSX, XLS, XLSM or XLSB file, or paste cells copied straight from Excel.
2. Edit in the grid
Fix values, reorder columns, add rows. The output updates in real time as you edit the spreadsheet.
3. Copy or download
Copy the JSON or download it as a file. Your data never left your browser.
Need this conversion in your own app?
The file parsing behind this page is powered by TabularJS: a zero-dependency JavaScript library that converts spreadsheet files to JSON in Node.js and the browser. 16+ formats, formulas, styles and merged cells included.
Frequently asked questions
Is this Excel to JSON converter free?
Yes. No account, no sign-up, no watermark. Open the page and start converting.
Is my data private?
Yes. Everything runs in your browser. Your Excel file is read and processed on your device. Nothing is uploaded, nothing is logged.
What happens to Excel formulas?
Formulas are evaluated and their computed values are included in the output. The formula itself is not exported.
Does it support multi-sheet workbooks?
Yes. Each sheet appears as a tab in the spreadsheet grid. The output uses the currently active sheet.
What JSON output formats are available?
Array of Objects (most common), 2D Array, Keyed Object (first column as key), and JSONLines (one JSON object per line).
Can I embed this converter in my own app?
Yes. The engine that powers this page is the TabularJS JavaScript library. You can embed it in React, Vue, Angular or plain JavaScript.