CSV to JSON Converter

Convert CSV data and JSON records locally in your browser. Nothing is uploaded.

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About CSV to JSON Converter

CSV to JSON Converter converts CSV datasets into structured JSON arrays of objects, or converts JSON arrays back into downloadable CSV files.

How to use CSV to JSON Converter

  1. Paste CSV text or choose a local CSV file in the input pane.
  2. Specify header options and column delimiter settings.
  3. Click Convert to transform CSV to JSON or JSON to CSV.
  4. Copy the result or download the converted data file.

Examples

CSV Input: name,age Alice,30 JSON Output: [{"name":"Alice","age":30}]

FAQ

How are numeric fields handled during CSV to JSON conversion?

Numeric values can be auto-parsed into JSON numbers or retained as strings based on your toggle selection.

Does the converter handle custom field delimiters like semicolons?

Yes. You can select commas, tabs, semicolons, or pipe characters as custom field delimiters.