CSV to JSON

Paste CSV data and get clean, formatted JSON — supports custom delimiters.

CSV to JSON converts comma-separated values into a well-structured JSON array of objects, using the first row as the header keys. It supports custom delimiters (comma, semicolon, tab, pipe) to handle exports from different spreadsheet applications and databases. Numeric strings are automatically detected and converted to numbers so you get a clean, usable JSON structure rather than a string-only output. Data engineers use it to prep CSV exports for API ingestion. Developers use it to convert spreadsheet data into fixture files. Analysts use it to transform CSV downloads from analytics tools into JSON for charting libraries. The tool runs in your browser and handles large pastes without any server round-trip.

How CSV to JSON works

CSV to JSON is a free browser-based utility from Salah Tools Hub. It is designed to give you an immediate result without an account, subscription, or upload to a remote server.

Enter your information into the tool after the page loads, review the result, and use the available copy or download controls. Your input stays on your device while the tool is running.