JSON to XLSX Converter
Convert JSON files to XLSX Excel spreadsheets online for free. Arrays of objects become rows and columns, nested data is flattened automatically. No software needed. Up to 100 MB.
Drop your JSON file hereTap to choose your JSON file
or
How to Convert JSON to XLSX
Upload
Drag and drop your JSON file into the converter above, click Choose JSON File to browse, or use Paste JSON to enter data directly.
Convert
Click Convert to XLSX. Our server parses your JSON structure and maps it to spreadsheet rows and columns. Takes a few seconds.
Download
Click Download XLSX to save the Excel file. Open it in Microsoft Excel, Google Sheets, or LibreOffice Calc — no registration required.
Convert JSON to Excel on Any Device
On Windows
While you could write a VBA macro or use Power Query to import JSON into Excel, both approaches require technical knowledge and manual configuration for each file. Our online converter handles it instantly — upload your JSON from any Windows browser, and download a ready-to-use XLSX file that opens directly in Microsoft Excel with all data properly mapped to rows and columns.
On Mac
Excel for Mac supports XLSX natively, but importing JSON data into it typically requires third-party tools or scripting. Our online converter eliminates that friction — just upload your JSON file from Safari, Chrome, or Firefox on macOS and download a clean XLSX spreadsheet. The file opens in Excel for Mac, Numbers, or Google Sheets without any additional steps.
On Linux
Linux users often reach for command-line tools like jq combined with CSV conversion, but that loses data types and requires chaining multiple tools. Our online converter produces a proper XLSX file with correct data types (numbers, text, dates) directly from your JSON. Works in any Linux browser — Firefox, Chrome, or Chromium — and the output opens in LibreOffice Calc.
On Mobile
JSON files are nearly impossible to analyze on a phone or tablet without developer tools. Converting your JSON to Excel makes the data viewable and searchable in any mobile spreadsheet app. Our converter works on iPhone, iPad, and Android — upload from your browser, convert, and open the XLSX in Microsoft Excel mobile, Google Sheets, or Apple Numbers.
What is JSON?
JSON (JavaScript Object Notation) is a lightweight, text-based data interchange format. It is the most widely used format for APIs, configuration files, and data exchange between web services. JSON is human-readable and easy to parse by machines, which has made it the standard for data transfer on the web.
A JSON file can contain objects (key-value pairs in curly braces), arrays (ordered lists in square brackets), strings, numbers, booleans, and null values. The most common structure for tabular data is an array of objects, where each object represents a row and the keys represent column names.
The main limitation of JSON for data analysis is that it is not designed for spreadsheet work. You cannot sort, filter, build formulas, or create charts directly on JSON data without writing code.
What is XLSX?
XLSX is the default file format for Microsoft Excel, introduced in 2007 as part of the Office Open XML standard. An XLSX file is a ZIP archive containing XML files that describe spreadsheet data, formatting, formulas, charts, and metadata. It is the most widely used spreadsheet format in the world.
XLSX spreadsheets organize data in rows and columns, making it easy to sort, filter, search, and analyze structured data. Excel supports formulas (SUM, VLOOKUP, IF), pivot tables, conditional formatting, data validation, and charts that transform raw data into actionable insights.
Because XLSX uses ZIP compression, files are compact. A JSON file with 100,000 records might be 50 MB as raw text, but the equivalent XLSX can be under 10 MB. XLSX is supported by Microsoft Excel, Google Sheets, LibreOffice Calc, and Apple Numbers.
JSON vs XLSX: Quick Comparison
| Feature | JSON | XLSX |
|---|---|---|
| Format type | Text-based data interchange | XML inside ZIP archive (spreadsheet) |
| Human readability | Readable in text editors | Visual grid with formatting |
| Data analysis | Requires programming | Built-in sort, filter, pivot tables |
| Formulas | Not supported | Full formula engine (SUM, VLOOKUP, etc.) |
| Charts & visualization | Not supported | Built-in charts, sparklines, conditional formatting |
| Nested data | Native support (objects, arrays) | Flat rows and columns |
| Data types | String, number, boolean, null, array, object | Text, number, date, boolean, formula |
| File compression | None (plain text) | ZIP compression (smaller files) |
| API compatibility | Universal (web standard) | Limited (requires parsing libraries) |
| Best for | APIs, data exchange, config files | Data analysis, reporting, business workflows |
When to Convert JSON to XLSX
API Data to Spreadsheet
REST APIs return JSON responses that are difficult to analyze without code. Converting API data to XLSX lets business analysts, marketers, and project managers explore the data using familiar spreadsheet tools — sorting, filtering, pivot tables, and formulas — without writing a single line of code.
Data Analysis & Reporting
JSON data from analytics platforms, databases, or exports cannot be charted or summarized directly. Converting to XLSX gives you access to Excel's full reporting toolkit: charts, conditional formatting, sparklines, data bars, and pivot tables for turning raw data into visual dashboards.
Share with Non-Technical Teams
When you need to share API data or database exports with colleagues who do not write code, XLSX is the universal language. Everyone knows how to open and navigate a spreadsheet. Converting JSON to XLSX eliminates the need to explain data structures or install developer tools.
Data Cleaning & Transformation
Excel provides tools for data cleaning that work well with converted JSON: find and replace, text-to-columns, duplicate removal, data validation, and conditional filtering. If your JSON contains messy data, converting to XLSX lets you clean it up before feeding it back into your data pipeline.
Frequently Asked Questions
{"user": {"name": "Alice", "email": "[email protected]"}} becomes two XLSX columns: "user.name" and "user.email". Deeply nested structures (3+ levels) are also supported — each level adds another dot-separated segment to the column header.JSON to XLSX Conversion API
Convert JSON files to XLSX programmatically with one HTTP request — batch up to 20 files at once, 1000 conversions per day, free, no signup.
POST /api/v1/batch handles 20 files at once →
curl -X POST https://cleverutils.com/api/v1/convert \
-F "[email protected]"\
-F "to_format=xlsx"