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CSV ↔ JSON Converter

Convert between CSV and JSON both ways. Edit as a live table — add, delete, rename, reorder columns and rows. 100% in your browser.

Delimiter: First row is header Infer types (numbers / bool / null) Trim whitespace Un-flatten dotted keys → nested objects Quote:

Click to upload or drop a .csv / .json file here

Input CSV

Paste input above, drop a file, or hit Sample — the editable grid appears here.

Output JSON