JSON Excel

JSON to Excel Converter

Convert JSON to Excel in your browser. Free, private, and fast. JSON data as an Excel workbook — nothing is uploaded.

Drag & drop your JSON file here

or

Max file size: 50 MB · Your file stays in your browser

Your file is processed locally in your browser — nothing is ever uploaded.

Why Convert JSON to Excel?

Analysts live in Excel, APIs speak JSON. Drop a JSON array of objects and get an .xlsx workbook with one column per key; an object whose values are arrays becomes one sheet per key.

Common use cases

  • You have a JSON file and need it in Excel format.
  • The target software or platform requires Excel but your file is in JSON.
  • Typical use of Excel: Financial modelling, budgets, and accounting workbooks.
  • You want to reduce file size or improve compatibility without using desktop software.
Keep in mind: Complex formulas, macros, or proprietary Excel features may not convert correctly to other formats or open correctly in non-Microsoft applications.

How to Convert JSON to Excel

  1. Upload or drop your JSON file into the converter above.
  2. Adjust any output settings for Excel if needed.
  3. Click Convert and download your converted file instantly.

About the Formats

JSON (JavaScript Object Notation)

JSON is the standard data-interchange format of the web. It represents structured data as nested objects and arrays in plain text — human-readable, language-independent, and natively supported by every programming language and API in common use.

Compatibility: Universal — every programming language, browser, and modern tool reads JSON.

Excel (Microsoft Excel Workbook)

Microsoft Excel's .xlsx format is the world's most widely used spreadsheet format. Excel files support multiple sheets, formulas, charts, pivot tables, conditional formatting, macros, and rich cell styling — making them the standard for financial modelling, data analysis, and business reporting.

Compatibility: Supported by Microsoft Excel, Google Sheets, LibreOffice Calc, Apple Numbers, and most spreadsheet applications.

100% Private & Browser-Based

Your files never leave your device. All conversion happens locally in your browser — nothing is uploaded to any server. No sign-up required.

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FAQ

Frequently Asked Questions

Yes — completely free with no sign-up, no watermarks, and no size limits for typical files.

Quality depends on the output settings. For lossless output, choose the highest quality setting available.

Your file is processed entirely within your browser using local JavaScript. It is never uploaded to any server. Only you can access your file.

For browser-based conversion, files up to 50 MB work best. Very large files may take longer depending on your device. We recommend splitting very large files before converting.

Currently, AintoB converts one file at a time to keep the browser-based process simple and private. Reload the page to convert another file.