JRJI
Privacy-first · No upload · 100% client-side

CSV to JSON

Paste CSV from a spreadsheet or export file and get a clean JSON array back. Delimiter auto-detection, quoted fields and type inference included.

Input — CSV
Output — JSON
Paste CSV and hit “Convert”.

Related tools

JSON to CSVJSON FixerJSON ViewerSchema Validator

CSV to JSON FAQ

Which delimiters are supported?

Comma, semicolon, tab and pipe. JRJI auto-detects the delimiter from your first row — no configuration needed.

Does it handle quoted fields?

Yes. Parsing follows RFC 4180: quoted fields may contain delimiters, escaped quotes ("") and even line breaks.

Are numbers and booleans converted?

By default cells like 42, true or null become real JSON types. Untick "Detect types" to keep everything as strings. Leading-zero codes like 007 always stay strings.

Is my data uploaded?

No. Conversion happens entirely in your browser.