JSON → CSV Converter
Paste API response or upload file · Nested keys auto-flatten · 100% browser-side
0Rows
0Columns
0BOutput Size
Type coercion active:
true/false → boolean
1, 2.5 → number
"text" → string
"" → null
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All processing happens 100% in your browser. Your data is never sent to any server. Safe for API keys, PII, and internal data.