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CSV → JSON

JSONOffline-ready

CSV to JSON reads a comma-separated file with a header row and outputs a JSON array of objects — one object per data row, with header fields as keys. Numbers and boolean values are automatically inferred. Paste CSV from Excel, Google Sheets, or a database export and get ready-to-use JSON instantly. Everything runs in your browser — nothing is uploaded.

Related: JSON → CSVJSON Formatter & ValidatorJSON → TSVTSV → JSON

CSV to JSON conversion

Parses a CSV file (with or without a header row) and converts it to a JSON array of objects. Type inference is applied — numeric strings become numbers, true/false become booleans. Useful for importing spreadsheet exports into a JavaScript application or MongoDB.

Also useful: JSON → CSV, JSON Formatter.