Convert datasets between CSV and JSON format seamlessly. 100% in-browser and private.
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CSV Input0 lines
JSON Output0 characters
Why use our CSV ⇄ JSON Converter?
CSV (Comma-Separated Values) and JSON (JavaScript Object Notation) are the two most common data interchange formats on the web. While spreadsheets and databases often export to CSV, modern APIs, web applications, and databases like MongoDB operate natively with JSON.
100% Client-Side Privacy: Your data never touches any external server. All parsing and conversion takes place entirely within your browser memory.
Flexible Delimiters: Handles standard comma delimiters, semicolon European CSVs, tab-separated TSV files, and pipe-delimited data.
Bidirectional Conversion: Turn nested or tabular JSON arrays directly into clean CSV spreadsheets ready for Excel or Google Sheets.