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Excel to JSON Converter

Convert your Excel (XLS/XLSX) data to JSON (JavaScript Object Notation) format with this easy-to-use online tool. No data is sent to our servers - all conversion happens in your browser.

Download sample Excel file

Excel Options

JSON Format

The Excel data will be converted to a JSON array of objects. Each row will become an object, with column headers as the property names. If no headers are present, columns will be named Column1, Column2, etc.

Excel Input

Upload an Excel file to begin

Supported formats: .xlsx, .xls

JSON Output

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JSON Output

Upload an Excel file to see the converted JSON output.

How to Use the Excel to JSON Converter

  1. Upload an Excel file (.xlsx or .xls) using the Upload button
  2. Select the worksheet to convert if your file has multiple sheets
  3. Enable "First row is header" if your Excel data has column headers
  4. Preview your data to verify it looks correct
  5. Click Convert to JSON to process your data
  6. Copy or download the resulting JSON file

About Excel to JSON Conversion

Excel is a spreadsheet application that can organize data in rows and columns. JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write and easy for machines to parse and generate.

This tool is particularly useful when:

  • You need to use spreadsheet data in web applications or APIs
  • You're migrating data from Excel to JSON-based databases
  • You want to transform tabular data into a structured format for processing
  • You're preparing data exports for JSON-compatible systems

Why Convert Excel to JSON?

Converting Excel files to JSON format is essential for modern web development and data integration workflows. JSON's lightweight, human-readable structure makes it perfect for API communication, database operations, and web applications that need to process spreadsheet data.

  • API Integration: Transform spreadsheet data for REST API consumption
  • Web Development: Use Excel data in JavaScript applications
  • Database Migration: Convert spreadsheets to structured data for databases
  • Data Analysis: Process Excel data with modern analytics tools
  • Configuration Files: Convert Excel settings to JSON configuration

Features & Benefits

Advanced Processing

  • • Multiple sheet support
  • • Automatic data type detection
  • • Custom column mapping
  • • Formula evaluation

Data Integrity

  • • Preserves formatting
  • • Handles special characters
  • • Unicode support
  • • Error validation
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