Question 1

How do I convert Excel to JSON?

Accepted Answer

Simply drag and drop your Excel file (.xlsx or .xls) into the converter, select your options, and the JSON will be generated instantly.

Question 2

How do I convert JSON to Excel?

Accepted Answer

Switch to the "JSON → Excel" tab, paste your JSON data or upload a .json file, preview the table, and click Download to get your Excel file.

Question 3

Is this Excel to JSON converter free?

Accepted Answer

Yes, this tool is completely free to use. No registration, no credit card, and no limits. Your data is processed entirely in your browser.

Question 4

Is my data secure?

Accepted Answer

Absolutely. All processing happens directly in your browser - your files are never uploaded to any server.

Question 5

What Excel formats are supported?

Accepted Answer

The converter supports .xlsx (Excel 2007+) and .xls (Excel 97-2003) formats.

Question 6

What JSON structures are supported?

Accepted Answer

The converter supports: arrays of objects, arrays of arrays, nested objects with data arrays, and simple key-value objects.

Question 7

Can I convert Excel files with multiple sheets?

Accepted Answer

Yes! When you upload an Excel file with multiple sheets, a dropdown will appear allowing you to select which sheet to convert.

Question 8

What is the maximum file size?

Accepted Answer

For Excel files, the maximum size is 10 MB. For JSON input, the maximum is 5 MB. The converter can handle up to 100,000 rows.

Question 9

How do I choose the JSON output format?

Accepted Answer

After uploading your Excel file, you can select from three formats: Array of Objects, Array of Arrays, or Object with custom wrapper.

Question 10

Can I use this tool on mobile?

Accepted Answer

Yes, the Excel JSON Converter is fully responsive and works on smartphones and tablets.

Question 11

Why is my JSON showing "null" values?

Accepted Answer

Empty cells in Excel are converted to null in JSON to maintain data integrity. This is standard behavior.

Question 12

How is this different from ElyxAI?

Accepted Answer

This free converter handles simple Excel to JSON conversions. ElyxAI is a powerful AI agent that works directly in Excel to automate complex workflows. Try ElyxAI free for 7 days!

Excel to JSON Converter

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