JSON to Excel Converter

Convert JSON files to Excel XLSX spreadsheets online for free. Arrays of objects become rows and columns, nested objects are flattened automatically. No software needed. Up to 100 MB.

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How to Convert JSON to Excel

1

Upload

Drag and drop your JSON file into the converter above, or click Choose JSON File to browse your device.

2

Convert

Click Convert to Excel. Our server parses your JSON and maps it to spreadsheet rows and columns. Takes a few seconds.

3

Download

Click Download XLSX to save the converted Excel spreadsheet. That's it — no registration, no email 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 de facto standard for data transfer on the web.

A JSON file can contain objects (key-value pairs enclosed in curly braces), arrays (ordered lists enclosed 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-style work. You cannot sort, filter, create formulas, build charts, or perform calculations directly on JSON data. Converting JSON to Excel gives you access to all of these analytical capabilities while preserving your data structure.

What is XLSX (Excel)?

XLSX is the default file format for Microsoft Excel, introduced in 2007 as part of the Office Open XML (OOXML) 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.

Excel spreadsheets organize data in rows and columns, making it easy to sort, filter, search, and analyze structured data. Excel supports formulas (SUM, VLOOKUP, IF, etc.), pivot tables, conditional formatting, data validation, charts, and visualization tools that transform raw data into actionable insights.

Because XLSX uses ZIP compression internally, files are compact and efficient. 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 natively supported by Microsoft Excel, Google Sheets, LibreOffice Calc, Apple Numbers, and virtually every modern spreadsheet application.

JSON vs Excel: Quick Comparison

Feature JSON Excel (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)
Sharing with non-technical users Difficult (requires developer tools) Easy (everyone knows Excel)
Best for APIs, data exchange, configuration, web services Data analysis, reporting, sharing, business workflows

Why Convert JSON to Excel?

Analyze data without coding

JSON is designed for machines, not for data analysis. To explore JSON data, you typically need Python, JavaScript, or other programming skills. Converting to Excel gives you instant access to sorting, filtering, pivot tables, and formulas — no code required. Business analysts, marketers, and project managers can work with the data immediately.

Share data with non-technical stakeholders

When you need to share API data, analytics exports, or database dumps with colleagues who do not write code, Excel 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 special tools — recipients simply open the file in Excel or Google Sheets.

Create reports and visualizations

Excel offers powerful reporting capabilities that JSON cannot match: charts, conditional formatting, sparklines, data bars, and pivot tables. By converting your JSON data to Excel, you can build visual dashboards and reports directly from the data without any intermediate processing or additional software.

Clean and transform data

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 or inconsistent data, converting to Excel lets you clean it up using familiar spreadsheet tools before feeding it back into your pipeline.

Frequently Asked Questions

Nested objects are automatically flattened using dot notation. For example, a JSON field like {"address": {"city": "London", "zip": "EC1A"}} becomes two Excel columns: "address.city" and "address.zip". This preserves the hierarchical relationship in a flat spreadsheet format that is easy to filter and sort. Deeply nested structures (3+ levels) are also supported — each level adds another dot-separated segment to the column name.
Each object in the array becomes one row in the Excel spreadsheet. The object keys become column headers in the first row. For example, [{"name": "Alice", "age": 30}, {"name": "Bob", "age": 25}] produces a spreadsheet with columns "name" and "age" and two data rows. If objects have different keys, all unique keys are collected and missing values are left as empty cells.
The converter performs a best-effort conversion for any valid JSON structure. Simple key-value objects are converted to two columns (key and value). Deeply nested structures are flattened. Arrays of mixed types are placed into rows. The converter handles edge cases gracefully, but for best results, use JSON that represents tabular data — arrays of objects with consistent keys.
Yes. The converter maps JSON data types to appropriate Excel cell types: numbers become numeric cells (so you can use SUM, AVERAGE, and other formulas immediately), strings become text cells, booleans become TRUE/FALSE values, and null values become empty cells. Dates in ISO 8601 format (e.g. "2026-03-15") are recognized and converted to Excel date cells.
Yes. The maximum upload size is 100 MB, which can accommodate JSON files with hundreds of thousands of rows. The converter streams the JSON data efficiently, so even large files are processed quickly. The resulting XLSX file will be significantly smaller than the source JSON because Excel uses ZIP compression internally.
Yes. Convertio.com offers free JSON to Excel conversion with no watermarks, no registration, and no email required. Upload your file, convert, and download. Your files are encrypted during transfer and automatically deleted from our servers within 2 hours.

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