Excel to JSON Converter
Convert Excel (.xlsx) spreadsheet data to a JSON array in your browser. Supports multiple sheets. No uploads, free.
📊 Data & CSV Tools
Free
Browser-based
Supported Formats
| Format | Extension | Support |
|---|---|---|
| Excel (modern) | .xlsx | ✓ Full support |
| Excel (legacy) | .xls | ✓ Full support |
| OpenDocument | .ods | ✓ Full support |
Library Used
This tool uses SheetJS (xlsx.js), a widely used open-source library for reading and writing spreadsheet files entirely in the browser.