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.