CSV to JSON

Free online CSV to JSON converter to transform CSV rows into JSON arrays.

  • Runs locally in your browser
  • No data uploaded
  • Instant processing
Waiting for input

How to Use CSV to JSON

  1. Paste CSV data with a header row into the input.
  2. The tool converts rows to JSON array objects instantly.
  3. Copy JSON output for API testing or data processing.

Example Usage

Input

name,age
Alice,30
Bob,28

Output

[
  {
    "name": "Alice",
    "age": "30"
  },
  {
    "name": "Bob",
    "age": "28"
  }
]

Frequently Asked Questions

Does CSV to JSON require a header row?
Yes. The first line is used as JSON object keys.
How are missing columns handled?
Missing values are filled as empty strings.
Can it handle quoted CSV values?
Yes. Basic quoted values and escaped quotes are supported.