About CSV to JSON
CSV (Comma-Separated Values) is a plain-text tabular format used widely for spreadsheet exports. JSON (JavaScript Object Notation) is the standard data format for APIs and web applications. Converting between them is a common developer task.
This tool parses your CSV fully in the browser — no data is sent to any server. It supports RFC 4180-compliant quoted fields, custom delimiters, and both pretty-printed and compact JSON output.
Frequently asked questions
What is CSV?
CSV (Comma-Separated Values) is a plain-text format for tabular data. Each line is a row; values are separated by a delimiter. It is widely used for spreadsheet exports, database dumps, and data interchange.
How does this tool handle quoted fields?
Fields wrapped in double quotes may contain commas, newlines, or special characters. Two consecutive double-quote characters inside a quoted field represent a single literal double-quote (RFC 4180). This tool correctly handles all these cases.
What if my CSV has no header row?
Uncheck "First row is header" and the converter will auto-generate column keys: col0, col1, col2, etc.
Are empty fields handled?
Yes. Empty fields are represented as empty strings ("") in the JSON output.
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