Private data converter

JSON to Excel Converter

Convert JSON files or pasted JSON data to Excel (.xlsx). Preview your table, flatten nested objects and arrays, and download a clean spreadsheet.

Processed locally Nested JSON flattening XLSX download
Converter

Convert JSON to Excel

No upload

JSON input

Excel preview

First rows shown

Paste JSON or upload a file to preview the Excel table.

Objects become columns Simple arrays use semicolons Lists of objects become columns
Private by design

Your JSON never leaves this tab

Your JSON is converted into an Excel preview and XLSX file locally in your browser.

Processed locally

Your JSON file is read and converted right here in this browser tab.

No account required

No sign-up, email, payment details or tracking pixels are needed.

Visible sheets stay separate

API responses, customer exports, logs, and nested objects stay on your device until you download the spreadsheet.

No upload: your file is converted in this tab. We do not receive your file name or file content.
Three steps

How to Convert JSON to Excel

1

Paste or upload JSON

Paste JSON data into the editor or choose a .json file from your device.

2

Review the Excel preview

Check the columns, nested fields, and array values before downloading.

3

Download Excel

Export the converted table as a clean .xlsx workbook for Excel, Google Sheets, or Numbers.

Example

JSON to Excel Example

JSON input

[
  {
    "id": 101,
    "name": "Alice",
    "department": "Sales",
    "address": {
      "city": "Boston"
    }
  },
  {
    "id": 102,
    "name": "Bob",
    "department": "Engineering",
    "address": {
      "city": "Austin"
    }
  }
]

Excel table

idnamedepartmentaddress.city
101AliceSalesBoston
102BobEngineeringAustin
Nested data

Convert Nested JSON to Excel

Nested fields as columns

Nested objects become columns such as address.city, address.zip, and profile.contact.email.

Readable tables

The converter shows a table preview so you can check complex JSON before creating the workbook.

Basic data types

Numbers and booleans stay as spreadsheet values instead of being forced into text.

Valid JSON first

Format or validate pasted JSON before conversion, with helpful error messages when the JSON is invalid.

Arrays

How JSON Arrays Are Converted

If your JSON starts with a list, each item becomes a row. Simple lists are combined into one cell, and lists of objects become separate Excel columns. For the reverse workflow, use the Excel to JSON converter to turn workbook rows back into JSON.

JSON arrays

{
  "order": 1001,
  "tags": ["paid", "priority"],
  "items": [
    { "name": "Mouse", "qty": 2 },
    { "name": "Keyboard", "qty": 1 }
  ]
}

Excel columns

ordertagsitems[0].nameitems[0].qtyitems[1].nameitems[1].qty
1001paid; priorityMouse2Keyboard1
Good to know

Frequently Asked Questions

How do I convert JSON to Excel?

Paste JSON data or upload a .json file, review the Excel preview, then download the converted XLSX file.

Can I convert a JSON file to Excel online?

Yes. This JSON to Excel converter runs in your browser, so you can convert a JSON file online without creating an account or installing software.

Can Excel open JSON files?

Excel can import JSON through Power Query, but a converter is faster when you need a clean XLSX table from pasted JSON, API responses, logs, or exported data.

How does the converter handle nested JSON?

Nested objects become separate Excel columns. For example, address.city and address.zip are shown as their own columns.

How are JSON arrays converted to Excel?

If the JSON starts with a list, each item becomes a row. Simple lists are joined into one cell, while lists of objects become separate columns such as items[0].name.

Does JSON convert to XLSX?

Yes. The download is a modern .xlsx workbook that opens in Excel, Google Sheets, Numbers, and other spreadsheet apps.

Is my JSON file uploaded to a server?

No. Your JSON file stays in your browser and is not uploaded to our servers.

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Ready to turn JSON into Excel?

Paste JSON or choose a file and create an XLSX workbook locally in your browser.

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