CSV to JSON Converter
Convert between CSV and JSON in your browser, with configurable delimiters and header detection.
Privacy: This tool runs entirely in your browser. Your data never leaves your device and is never uploaded to any server.
Output will appear here.
Frequently asked questions
Which delimiters are supported?
Comma, semicolon, tab and pipe. Choose the one your CSV uses.
How are CSV headers handled?
You can treat the first row as object keys, or convert CSV into a plain array of arrays.
Is my data uploaded?
No. Conversion runs entirely in your browser.