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CSV → JSON

Paste CSV
Options
Columns
Off: auto-generate col1, col2…
Delimiter & Quote
RFC4180 quotes with "" as escape are supported.
Cleanup
Type Casting
Output
Indentation spaces (0 for minified).

About CSV → JSON

Convert CSV into JSON directly in your browser. Paste CSV or upload files, tweak delimiter/headers, and choose between object-array and array-array outputs. Supports quoted fields (RFC4180), CRLF/LF, trimming, empty-line skipping, and optional type casting.

Tips

  • Auto delimiter checks , ; \t | on the first lines and picks the best score.
  • Quoted quotes use "". Newlines inside quotes are preserved.
  • Turn off “Use first row as headers” to generate col1….