Data & Codecs

JSON, CSV & TSV Converter

Import, inspect, and convert CSV, TSV, and JSON tables offline with delimiter auto-detection, header and type-inference controls, and spreadsheet formula escaping.

Processed 100% locally in your browser — files never leave your machine (max 5 MiB).

Input FormatOutput FormatInput Delimiter

First row is headerInfer numbers/booleans in JSON

Escape spreadsheet formulas (`=`, `+`, `-`, `@` on CSV/TSV export)Include UTF-8 BOM on exportUse CRLF (`\r\n`) on export

Input Data

[
  {
    "id": "101",
    "name": "Alice, M.",
    "role": "admin",
    "notes": "Supports\nmultiline cells"
  },
  {
    "id": "102",
    "name": "Bob",
    "role": "member",
    "notes": "=1+1"
  }
]