Convert CSV to JSON Online — Transform Spreadsheets into JSON APIs

Convert CSV files to JSON array of objects online. Automatically parses headers, numbers, and booleans for databases and web APIs.

✓ Transforms tabular spreadsheet rows into clean JSON object arrays

✓ Auto-detects numeric values, floats, and booleans

✓ Handles quotes and comma delimiters per RFC 4180 specifications

✓ Instant formatting ready for REST APIs and database seeding

How It Works

  1. Paste your raw comma-separated text into the left pane.
  2. Row 1 is identified as property keys, and subsequent lines are converted into records.
  3. Live JSON is output with standard 2-space indentation.
  4. Copy to clipboard for your backend database or API.

Frequently Asked Questions

Does this handle quoted fields containing commas?

Yes, fields wrapped in double quotes containing commas or newlines are parsed as single values.