Free JSON to CSV Converter

Transform your JSON data into a spreadsheet-ready CSV file. Perfect for data analysis and reporting.

JSON to CSV Converter
Flatten Nested
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Work Steps

Step 1
Enter your age in days, months, and years in the text box.
Step 2
You will see your current age.

Features

Nested Flattening
Converts nested JSON keys into column headers.
Delimiter Choice
Comma, semicolon, or tab
Preview:
See the table before downloading.

Frequently Asked Questions

How do I convert JSON to CSV correctly?

JSON-to-CSV conversion turns a collection of JSON records into rows and columns.

Flat JSON objects map naturally to CSV: object properties become column headers and values become cells.

Nested objects and arrays require a flattening rule, because CSV has no native nested structure.

When records have different keys, a converter may create a union of all keys and leave missing values blank.

CSV cannot preserve every JSON feature without loss, especially nested structures, arrays, data types, and object hierarchy.

Blank columns or rows can appear when the input contains inconsistent schemas, nested data, nulls, or empty records.