JSON formatter & validator
Format, beautify, validate, and minify JSON online. Pinpoint syntax errors by line and column, sort keys, and copy or download the result.
CSV to JSON converter
Convert CSV to JSON online: array of objects, arrays, keyed objects, or JSON Lines. Auto-detects delimiters and converts types.
How to use CSV to JSON converter
Convert CSV to JSON in your browser. Paste data or open a .csv file. Quoted fields, commas inside quotes, and line breaks inside cells are handled correctly.
- Output an array of objects, array of arrays, object keyed by the first column, object of columns, or JSON Lines
- Auto-detects comma, semicolon, tab, or pipe delimiters
- Converts numbers and true/false, and turns empty cells into null
- Nest dotted headers like
address.cityinto objects
CSV to JSON converter FAQs
Is CSV to JSON converter free?
CSV to JSON converter is a free online tool on ReallyUseful.Tools. No account is required.
Does CSV to JSON converter run in my browser?
CSV to JSON converter is designed to run in your browser where supported, so files can stay on your device instead of being uploaded to a server.
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