CSV to JSON
Convert CSV files or text to JSON online for free. Instantly transform CSV data into a JSON array.
About CSV to JSON
Our CSV to JSON Converter transforms comma-separated values into a JSON array of objects instantly. Paste or upload your CSV data, preview the JSON output, and copy or download it - no installation required.
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Your privacy is built in
Everything in CSV to JSON runs locally in your browser — your data never leaves your device and is never uploaded to a server, so nothing you enter is stored or seen by anyone else. No account, no sign-up, no watermark, and completely free.
Frequently asked questions
Does the tool support custom delimiters?
Yes! You can use comma, semicolon, tab, or pipe as the delimiter.
What if my CSV has no header row?
You can disable header row detection, and the tool will use column indexes (col_0, col_1...) as keys.