Data

CSV to JSON Converter – Free Online CSV to JSON Tool

Transform CSV data into structured JSON in seconds. Supports comma, semicolon, tab, and custom delimiters. Handles quoted fields with commas. Download results as a .json file.

Delimiter:

CSV Input

JSON Output

[
  {
    "name": "Alice Johnson",
    "age": "28",
    "city": "New York",
    "country": "USA"
  },
  {
    "name": "Bob Smith",
    "age": "34",
    "city": "London",
    "country": "UK"
  },
  {
    "name": "Carol Davis",
    "age": "25",
    "city": "Tokyo",
    "country": "Japan"
  },
  {
    "name": "David Lee",
    "age": "42",
    "city": "Paris",
    "country": "France"
  }
]

How to Use

1
Paste or type your CSV
Enter CSV data into the left panel. The first row is treated as the header row.
2
Select the delimiter
Choose the character that separates your columns — comma, semicolon, tab, or custom.
3
View the JSON output
The converted JSON appears instantly on the right, formatted with 2-space indentation.
4
Copy or download
Copy the JSON to clipboard or download it as a .json file.

Frequently Asked Questions

Does it handle CSV with commas inside values?+

Yes. Values enclosed in double quotes (e.g., "New York, NY") are handled correctly — the commas inside quotes are treated as literal characters, not separators.

What if my CSV has no header row?+

Currently the tool assumes the first row is a header. For headerless CSV, add a header row manually before converting.

What types of delimiters are supported?+

The tool supports commas (,), semicolons (;), tabs (TSV), pipes (|), and any custom single character you specify.

Is my data sent to a server?+

No. All conversion happens locally in your browser. Your CSV data is never uploaded or stored.