Missing keys in some rows?

Empty cells are used when a row lacks a column key.

Wrap one object in an array: [{ ... }].

Output uses standard comma separation and quoting.

Formatting is optional; input must still be valid JSON.

Convert JSON Array to CSV Spreadsheet

Paste a JSON array where each item is a flat object to export CSV for spreadsheets or imports.

JSON input

CSV output

Enter JSON to convert.

The top level must be an array of objects. Column headers are the union of all object keys.

Cell values are quoted when they contain commas, quotes, or line breaks.

Nested objects and arrays inside rows are not supported—flatten data first or use another tool.

Conversion is client-side only.

Missing keys in some rows?: Empty cells are used when a row lacks a column key.
Single object?: Wrap one object in an array: [{ ... }].
Excel compatible?: Output uses standard comma separation and quoting.
Format JSON first?: Formatting is optional; input must still be valid JSON.