Convert Excel XLSX spreadsheets into clean JSON online. Upload your workbook, choose first sheet or all sheets, preview rows, copy JSON, and download the final file.
Useful for APIs, developers, imports, database seeding, product feeds, dashboards, and data migration.
Upload an Excel .xlsx file and convert spreadsheet rows into structured JSON.
An XLSX to JSON Converter helps turn Excel spreadsheet data into structured JSON for apps, APIs, imports, and development.
Select a modern .xlsx workbook and convert sheet rows into clean JSON objects.
Convert the first sheet only or include all sheets in one structured JSON output.
Preview the generated JSON, copy it quickly, or download a ready-to-use .json file.
XLSX to JSON conversion changes Excel spreadsheet rows into JSON data. XLSX is useful for storing tabular data, while JSON is useful for APIs, web apps, databases, product feeds, and developer workflows.
This tool reads the internal XML files inside the XLSX workbook, extracts sheet rows, uses the first row as JSON keys, handles shared strings, basic numbers, booleans, and dates, then creates clean JSON output.
| Feature | Purpose | Use Case |
|---|---|---|
| XLSX Upload | Load Excel workbook | Reports and data sheets |
| First Row as Keys | Create JSON object fields | API-ready output |
| All Sheets Mode | Export workbook tabs | Multi-sheet datasets |
| Pretty JSON | Readable formatting | Editing and debugging |
| Download JSON | Save converted file | Developer workflows |
Convert XLSX to JSON in three simple steps.
Choose a modern Excel .xlsx file from your computer. The maximum file size is 50 MB.
Choose first sheet or all sheets, then decide whether the first row should become JSON keys.
Convert the workbook, preview rows, copy JSON, or download the final .json output.
Common questions about Excel conversion, JSON output, sheets, headers, and server requirements.