Document Converters

XLSX to JSON Converter

Convert Excel spreadsheet data to a JSON array of objects in your browser. The first row becomes the property keys, each subsequent row becomes a JSON object, ready for APIs or data processing.

File processed locally No sign-up required Instant download
Excel input JSON output Browser-only

Input

Excel file

Excel

Drop Excel file here

or click to browse · processes locally in your browser

Conversion options

Document processing runs entirely in your browser; files never leave your device

Features

  • First row → JSON object keys
  • Each row → a JSON object in an array
  • Multi-sheet support with sheet selector
  • Handles numbers, dates, and text cells
  • Download as .json file
  • Browser-only. No upload

How to use it

  1. Upload your .xlsx file.
  2. Select the sheet to convert.
  3. Click Convert.
  4. Download the JSON array.

Use cases

  • Converting spreadsheet data for REST API consumption
  • Turning Excel reports into JSON for JavaScript applications
  • Importing spreadsheet data into NoSQL databases
  • Exporting Excel tables for config file generation

Limitations

  • Only scalar cell values are exported, formulas are evaluated to their result values.
  • Merged cells return the value only in the top-left cell; merged region cells are null.
See also

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Questions & answers

Frequently asked

What if a cell is empty?

Empty cells produce a null value for that key in the JSON object.