Free JSON to Excel Converter Online Instantly, Safely & Without Installation

About JSON to Excel Converter

The JSON to Excel Converter allows you to convert JSON data into a structured Excel (.xlsx) file instantly. You can either paste JSON data directly or upload one or multiple JSON/TXT files, preview the converted data in a table format, and download the generated Excel files individually or as a ZIP archive.

This tool is designed to simplify working with JSON data by transforming it into a readable and editable Excel format.

What Is JSON?

JSON stands for JavaScript Object Notation. It is a lightweight data format commonly used to exchange structured data between applications.

JSON data is typically represented as:

• An array of objects

• A single object

• A nested object that contains arrays inside it

Example:

[

   { "name": "John", "age": 25, "city": "New York" },

   { "name": "Jane", "age": 30, "city": "London" }

]

JSON is widely used in APIs, configuration files, data exports, and web applications.

What Is an Excel (XLSX) File?

An Excel file (.xlsx) is a spreadsheet format used to organize data into rows and columns. Excel files allow users to:

• Sort and filter data

• Perform calculations

• Analyze and review structured datasets

This tool converts JSON data into an Excel spreadsheet so it can be easily viewed and edited.

What Is This JSON to Excel Tool?

This tool converts JSON data into an Excel file with a structured tabular layout.
It supports both pasted JSON content and uploaded files and automatically handles different JSON structures during conversion.

Each conversion generates an Excel file with:

• A Data sheet containing the converted JSON data

• A Metadata sheet containing conversion information

Input Methods

Paste JSON Data

• Paste valid JSON directly into the editor

• JSON is validated before conversion

• Supports arrays, objects, and nested structures

Upload JSON or TXT Files

• Upload one or multiple .json or .txt files

• Drag & drop or file selection supported

• Uploaded files are temporarily stored for processing

Supported JSON Structures

The tool supports:

• JSON arrays (list of objects)

• JSON objects

• Nested JSON objects that contain arrays

• Automatically finds the first valid data array inside nested JSON

If the JSON structure is invalid or unsupported, the tool returns a conversion error for that file.

How the Conversion Works

1. JSON data is pasted or uploaded

2. The tool validates the JSON format

3. JSON data is converted into a tabular structure

4. An Excel workbook is created

5. Data is written into the Data sheet

6. Conversion details are written into the Metadata sheet

7. The Excel file is saved and prepared for download

8. A full preview of the data is displayed in the browser

Excel Output Details

Data Sheet

• Contains the converted JSON data

• Columns are created from JSON keys

• Rows represent JSON records

Metadata Sheet

Includes:

• Original file name

• Conversion date and time

• Number of rows

• Number of columns

• List of column names

Excel Formatting Applied

The generated Excel file includes:

• Bold header row

• Colored header background

• Center-aligned headers

• Automatically adjusted column widths (up to a maximum width)

Preview Features

After conversion, the tool displays a full data preview:

Table Preview

• Displays all rows and columns

• Scrollable table for large datasets

Search Inside Data

• Search text across all rows and columns

• Highlight matching cells

• Navigate between matches

Table Controls

• Scroll to top

• Scroll to bottom

• Clear search results

Fullscreen Preview

• Open the table in fullscreen mode

• Includes search and navigation controls

• Close using button or ESC key

Download Options

Download Single File

• Download an individual Excel file in .xlsx format

Download All Files

• Download all successfully converted files as a ZIP archive

Error Handling

The tool provides clear feedback for:

• Invalid JSON format

• Missing or deleted uploaded files

• Conversion failures for individual files

• Partial success when some files convert and others fail

Each file is processed independently.

Temporary Files & Cleanup

• Uploaded files are stored temporarily

• Pasted JSON content is saved as a temporary file and removed after conversion

• Temporary files are automatically cleaned up when:

  • The user clears the tool

  • The user leaves the page

Who Can Use This Tool?

This tool is useful for:

• Developers working with API responses

• Data analysts converting JSON exports

• QA testers validating JSON output

• Backend engineers reviewing structured data

• Students learning JSON and Excel

The JSON to Excel Converter provides a reliable way to transform JSON data into Excel spreadsheets. With support for multiple input methods, nested JSON structures, full data preview, search functionality, and downloadable Excel files, the tool simplifies JSON data analysis and review without modifying the original data.