JSON to CSV Converter

What is JSON to CSV?

Converting JSON (JavaScript Object Notation) to CSV (Comma-Separated Values) format is a common task when exporting structured application data into tabular data formats for tools like Microsoft Excel, Google Sheets, or data analysis pipelines.

Features

• Delimiter Selection: Comma, semicolon, tab, or pipe delimiter options.
• Flattening Options: Choose to automatically flatten nested object structures (e.g. {"user": {"name": "Alice"}} becomes user.name) or stringify them into JSON blocks.
• Header Toggle: Choose whether to output the header row with the column names.
• Custom Quote Escaping: Handles values containing quotes, linebreaks, and delimiters by escaping them using RFC-4180 standard formatting.
• 100% Client-Side: All conversions happen on your local machine.

JSON Input Example

[
  {
    "id": 1,
    "user": { "name": "Alice", "role": "Admin" },
    "tags": ["staff", "editor"]
  },
  {
    "id": 2,
    "user": { "name": "Bob", "role": "Member" },
    "tags": ["member"]
  }
]

CSV Output Example (with Flattening)

id,user.name,user.role,tags
1,Alice,Admin,"[""staff"",""editor""]"
2,Bob,Member,"[""member""]"