What delimiters are supported?

The tool auto-detects commas, tabs, and semicolons as delimiters. It analyzes the first line of your CSV to determine which delimiter is used.

How are headers handled?

The first row of your CSV is treated as column headers. Each subsequent row becomes a JSON object with the headers as keys.

Yes. All conversion happens locally in your browser. No data is ever sent to a server.

There is no hard limit, but very large files may slow down your browser since processing is done client-side.

Paste your CSV data and get a JSON array of objects. Delimiters are auto-detected.

CSV Input

JSON Output

Step 1

Paste your CSV data into the input field.

Step 2

The delimiter is auto-detected (comma, tab, or semicolon).

Step 3

View the JSON output with row count below.

Step 4

Click Copy to copy the JSON to your clipboard.

Auto-detect delimiter: comma, tab, or semicolon.

First row used as object keys automatically.

Shows row count for quick verification.

One-click copy to clipboard.

No data sent to any server — completely private.

: The tool auto-detects commas, tabs, and semicolons as delimiters. It analyzes the first line of your CSV to determine which delimiter is used.
: The first row of your CSV is treated as column headers. Each subsequent row becomes a JSON object with the headers as keys.
: Yes. All conversion happens locally in your browser. No data is ever sent to a server.
: There is no hard limit, but very large files may slow down your browser since processing is done client-side.