JSON to CSV Converter

100% Client-Side

Convert JSON arrays or nested objects into spreadsheet-compatible CSV tables with customizable field delimiters, key flattening, and live table preview. Online JSON to CSV converter.

Home/JSON to CSV Converter

Format Validate Beautify Tree View Minify Diff JSON → CSV CSV → JSON JSON → YAML YAML → JSON

Delimiter:Include Header RowFlatten Nested Objects

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JSON INPUT (ARRAY OR OBJECT)0 chars

CSV OUTPUT & PREVIEW0 rows

Key Capabilities

Supports customizable field delimiters: Comma (,), Tab (\t), Semicolon (;), Pipe (|)

Automatic key flattening for nested object hierarchies

Interactive live HTML preview table before CSV download

Frequently Asked Questions

How does the converter handle nested JSON objects?

When 'Flatten Nested Objects' is checked, nested keys are converted into dot-notation headers (e.g. location.city) automatically.