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CSV to JSON Converter

Convert CSV data to JSON format instantly. Supports custom delimiters, header detection, and flexible output options.


Input CSV Data

Direct links to .csv or .txt files

Options

JSON Output


How It Works

Features
  • Real-time Conversion: Output updates automatically as you type or change options
  • Multiple Delimiters: Comma, semicolon, tab, and pipe separators
  • Header Detection: Use the first row as JSON property names or generate automatic keys
  • Number & Boolean Detection: Automatically parse numbers, booleans, and null values
  • Output Formats: Array of objects or hash/dictionary keyed by a column
  • Quoted Fields: Proper handling of quoted CSV fields with embedded commas and newlines
  • Flexible Indentation: 2 spaces, 4 spaces, tabs, or minified output
  • Trim & Skip: Optionally trim whitespace and skip empty rows
Output Format Examples
Array of Objects
[
  {"name": "Alice", "age": 28},
  {"name": "Bob", "age": 35}
]
Hash / Dictionary
{
  "Alice": {"age": 28},
  "Bob": {"age": 35}
}
Common Use Cases
Data Migration
  • Convert spreadsheet exports to JSON for APIs
  • Transform CSV database dumps to JSON format
  • Prepare data for NoSQL databases
Web Development
  • Create JSON fixtures from CSV test data
  • Convert CSV config files to JSON
  • Generate mock API responses from CSV

Embed This Util

You can embed this util on your own site as a widget. Adding ?embed=1 to the URL loads a compact version with just the tool itself; no header, menu, or documentation. Paste this snippet into your HTML:


    

Copy snippet Adjust the height to taste.



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