JSON to CSV Converter

Convert JSON data to CSV format for Excel, spreadsheet applications, and data analysis tools with versioned outputs.

JSON Input

Paste your JSON data here (supports objects, arrays, and nested structures)

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CSV Outputs

No CSV outputs yet. Click "Configure & Convert" to set up column mappings and generate your first CSV.

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JSON to CSV Converter - Transform JSON Data to Excel-Compatible Spreadsheets

Convert JSON arrays to CSV format instantly with our professional online tool. Perfect for Excel analysis, data migration, and spreadsheet workflows. Supports nested objects, custom delimiters, and large datasets up to 10MB.

Advanced JSON to CSV Features
  • •Convert complex JSON arrays to CSV spreadsheet format
  • •Automatic header generation from JSON object keys
  • •Nested object flattening with customizable dot notation
  • •Multiple delimiter options (comma, semicolon, tab, pipe)
  • •Excel and Google Sheets compatibility guaranteed
  • •Large dataset processing up to 10MB file size
  • •Real-time CSV preview with column mapping visualization
  • •Drag-and-drop JSON file upload interface
Data Handling Capabilities
  • •Preserve data types during CSV conversion process
  • •Handle missing values and null entries appropriately
  • •Support for arrays within JSON objects
  • •Custom date and timestamp formatting options
  • •Unicode and international character support
  • •Escape special characters for CSV compliance
  • •Column ordering and sorting preferences
  • •Data validation and error detection

Complete JSON to CSV Conversion Guide

  1. Step 1: Prepare your JSON data - ensure it's an array of objects for best CSV results
  2. Step 2: Upload your JSON file or paste the data directly into our converter
  3. Step 3: Select your preferred CSV delimiter (comma recommended for Excel compatibility)
  4. Step 4: Configure nested object handling - choose flattening or separate columns
  5. Step 5: Preview the CSV output to verify column headers and data arrangement
  6. Step 6: Adjust any formatting settings based on your spreadsheet requirements
  7. Step 7: Download the CSV file and open it in Excel, Google Sheets, or your preferred tool

Feature Comparison

Comparison of features between Online JSON Formatt(OJF) and other JSON tools
FeatureOnline JSON FormattOther Tools
Nested JSON handlingAdvanced flatteningBasic or none
File size supportUp to 10MB1-2MB typical
Delimiter optionsMultiple choicesComma only
Excel compatibilityGuaranteedVariable
Real-time preview✅❌
Data type preservation✅Limited

Frequently Asked Questions

Before & After Example

❌ Before (Minified)

{"user":{"name":"John","age":30,"skills":["JavaScript","Python","React"],"active":true,"profile":{"email":"john@example.com","phone":null}}}

✅ After (Formatted)

{
  "user": {
    "name": "John",
    "age": 30,
    "skills": [
      "JavaScript",
      "Python", 
      "React"
    ],
    "active": true,
    "profile": {
      "email": "john@example.com",
      "phone": null
    }
  }
}