Developer Tools • 100% Client-Side

CSV to JSON

Convert CSV files or raw table data into structured JSON objects or nested arrays online. Supports custom delimiters (comma, semicolon, tab), auto header detection, and instant JSON download.

Convert CSV files or raw table data into structured JSON objects or nested arrays online. Supports custom delimiters (comma, semicolon, tab), auto header detection, and instant JSON download.

Options

CSV Input

JSON Output

[
  {
    "name": "John",
    "age": "30",
    "city": "New York"
  },
  {
    "name": "Jane",
    "age": "25",
    "city": "London"
  }
]

How it works

  1. Paste or enter your CSV data
  2. Configure options (header row, delimiter)
  3. JSON is generated automatically
  4. Copy the JSON output

Example CSV

name,age,city
John,30,New York
Jane,25,London
Bob,35,Paris

How to Use CSV to JSON Online

  1. Paste CSV or upload file: Input comma-separated values with column headers on the first line.
  2. Configure parsing options: Select delimiter (comma, tab, semicolon) and toggle header row detection.
  3. Download or copy JSON: Copy the structured JSON array or download it as a .json file.

ClickBasic tools run 100% securely with zero installation, no registration, and no limits.

Key Features of ClickBasic CSV to JSON

Auto Header Detection: Transforms CSV column headers into structured JSON object keys automatically.
Formatted JSON Array Output: Generates clean, indented JSON arrays ready for REST APIs and databases.
Custom Delimiter Support: Handles comma, semicolon, tab (TSV), and pipe-delimited data.
Client-Side Data Privacy: Your proprietary datasets and customer spreadsheets are never uploaded to servers.

Frequently Asked Questions

In Excel, save or export your sheet as a CSV (Comma Delimited) file, then paste or upload it here to get structured JSON instantly.

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