CSV to JSON Converter

Convert CSV data to JSON format with headers, custom delimiters & dynamic types. Perfect for data transformation, API development, and converting CSV exports to JSON format.

Input CSV

Sample CSV Data

Output JSON

🛠 Tool Options

Input CSV Format

Conversion Options

First row is treated as a header. (Used as JSON keys.)

Don't convert empty lines.

Don't quote numbers and booleans.

JSON Indentation

Indent output JSON with two spaces.

Indent output JSON with one tab.

Output minified JSON.


About CSV to JSON Converter

The CSV to JSON Converter transforms comma-separated values (CSV) data into JavaScript Object Notation (JSON) format. This tool is essential for web developers, data scientists, and anyone working with data transformation between different formats.

Key Features:

  • Header Support: Use the first row as JSON object keys
  • Custom Delimiters: Support for different column separators (comma, tab, semicolon, etc.)
  • Quoted Fields: Proper handling of quoted fields with commas inside
  • Dynamic Typing: Automatically convert numbers and booleans to proper JSON types
  • Comment Lines: Skip lines that start with comment symbols
  • Empty Line Handling: Option to skip empty lines in CSV data

Indentation Options:

  • Spaces: Pretty-printed JSON with 2-space indentation
  • Tabs: Pretty-printed JSON with tab indentation
  • Minified: Compact JSON without whitespace for minimal file size

Common Use Cases:

  • Converting spreadsheet exports to JSON for web applications
  • Preparing data for REST APIs and JavaScript applications
  • Transforming legacy CSV data to modern JSON format
  • Data migration between different database systems
  • Creating configuration files from CSV templates

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