Question 1

What is CSV?

Accepted Answer

A text table. Each line is a row. Values are split by a delimiter, usually a comma.

Question 2

Why convert CSV to JSON?

Accepted Answer

Most web APIs and scripts want JSON objects, not a spreadsheet.

Question 3

What output shapes are available?

Accepted Answer

Array of objects (headers as keys) or a 2D array that keeps the grid.

Question 4

Does my data leave the browser?

Accepted Answer

No. Parse stays in the tab.

Question 5

What delimiters work?

Accepted Answer

Comma, semicolon, tab, and pipe.

Question 6

Can I drop a file?

Accepted Answer

Yes. Paste or upload a .csv.

Question 7

Are numbers kept as numbers?

Accepted Answer

They stay text unless you cast them later. This page does not infer types.

Question 8

What if a cell has a comma?

Accepted Answer

It must be quoted in the CSV. Otherwise the row splits wrong.

Question 9

Is this JSON to CSV?

Accepted Answer

No. That is the other page.

Question 10

Can I convert Excel .xlsx here?

Accepted Answer

No. Export CSV from the sheet first.

Question 11

Is there a row limit?

Accepted Answer

A huge paste can stall the tab. Split the file if the browser freezes.

CSV to JSON - Spreadsheet Rows in This Tab