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CSV to JSON Converter

Free online CSV to JSON converter. Paste CSV data and get clean, formatted JSON instantly. Handles quoted fields, commas inside values and multi-line cells; auto-detects comma, semicolon and tab delimiters. Runs 100% in your browser — no upload, no sign-up.

Convert CSV to JSON

Paste CSV on the left, get JSON on the right — quote-aware parsing, delimiter auto-detect.

Quoted fields ("value, with comma"), escaped quotes ("") and multi-line cells are fully supported. With "First row is header" enabled the output is an array of objects; otherwise an array of arrays. All processing happens locally in your browser.

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