Excel to JSON
Convert Excel spreadsheet to JSON format
🔒 Client-side (Private)📦 Max 30MB
Upload Your XLSX File
Select a file to convert to JSON
About This Converter
How to convert XLSX to JSON
- Click "Choose File" or drag and drop your XLSX file
- Wait for the file to upload and validate
- Click the "Convert" button to start the conversion
- Download your converted JSON file
🔒 Privacy & Security
This conversion happens entirely in your browser. Your files never leave your device, ensuring complete privacy and security. No upload, no server processing, no data storage.
Features
- ✓ Free and unlimited conversions
- ✓ No registration required
- ✓ Fast conversion speed
- ✓ High-quality output
- ✓ Complete privacy - files stay on your device
FAQ
Specifics for this converter
Can I select a specific sheet?
Yes. Choose the sheet in the UI and the data will be extracted from it.
How are dates and numbers handled?
Cell values are read as text or numbers. Special formats may need manual review.
How are empty cells handled?
Empty cells become null or empty strings depending on the selected mode.
Is the processing local?
Yes, XLSX is analyzed in your browser without uploading.