Does a,b,"c, d" work?

Yes. Quoted commas stay in one field.

Are numbers kept as numbers in JSON?

Cells that look like plain numbers become numbers.

Nothing is uploaded. Closing the tab drops the file.

The table never leaves the page.

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CSV and JSON

Convert between CSV and JSON without breaking commas inside quotes.

Nested JSON becomes a JSON string in the cell, with a warning. The parser handles doubled quotes.

Convert a table between CSV and JSON without breaking commas that sit inside quotes. Nested JSON is written into a cell as text, and the page warns you. Doubled quotes inside a field are handled.

1Paste CSV or JSON.
2Convert in the direction you need.
3Copy the result.

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Questions

Does a,b,"c, d" work?: Yes. Quoted commas stay in one field.
Are numbers kept as numbers in JSON?: Cells that look like plain numbers become numbers.
Nothing is uploaded. Closing the tab drops the file.: The table never leaves the page.

JSON formatterPretty-print, minify, or sort keys, and show the parse error if the JSON is bad.
Base64Encode or decode text and small files as standard or URL-safe Base64.
URL encode and decodeEncode a component, or a whole string, and decode percent-escapes.

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CSV and JSON

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