Convert CSV files into structured JSON objects directly in your browser
CSV to JSON conversion transforms comma-separated values (CSV) data into JavaScript Object Notation (JSON) format. CSV is a simple text-based format commonly used for spreadsheet data, while JSON is a structured data format used in web applications, APIs, and databases. Converting CSV to JSON enables you to use spreadsheet data in modern web applications and programming environments.
Our free online CSV to JSON converter processes all data locally in your browser—no data is sent to servers, ensuring complete privacy and security. Simply paste your CSV data or upload a file, and get instant JSON output ready for use in your applications.
Paste your CSV data into the input field or upload a CSV file using the "Choose File" button. The tool accepts standard CSV formats with various delimiters.
Select the delimiter used in your CSV (comma, semicolon, tab, or pipe), or use auto-detect. Enable "First row contains headers" if your CSV has a header row.
The tool automatically converts your CSV to JSON format. Copy the result to your clipboard or download it as a JSON file for use in your applications.
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Paste your CSV data into the input field or upload a CSV file. The tool will automatically detect delimiters and convert your CSV data into a JSON array of objects. You can adjust the delimiter and choose whether your CSV has headers.
Yes! The tool supports comma, semicolon, tab, and pipe delimiters. You can manually select a delimiter or use the 'auto' option to automatically detect the delimiter from your CSV data.
If your CSV has headers, enable the 'Has Headers' option. The first row will be used as property names in the JSON objects. If disabled, the tool will generate generic column names (column1, column2, etc.).
Yes! Our CSV to JSON converter is 100% free with no registration required, no usage limits, and no hidden fees. You can convert as many CSV files as you need.
No, all CSV processing happens locally in your browser. We don't store, save, or have access to any CSV data you convert. Your privacy is completely protected.
The tool supports standard CSV formats with comma, semicolon, tab, or pipe delimiters. It handles quoted values, empty cells, and preserves data structure. The converted JSON maintains all your original data.