Data Processing
Header Adder
Add headers to CSV data that lacks column names. Perfect for data import from databases, API responses, or numeric datasets that need proper column identification. Features: - Add custom headers to header-less data - Auto-generate intelligent headers - Support for various header naming conventions - Preview headers before applying - Multiple header format options - Support for existing data detection - Batch processing capabilities Common Use Cases: - Fix database exports without headers - Process API response data - Prepare numeric datasets for analysis - Standardize data column naming - Create proper CSV structures - Data format normalization
Quick start
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/header-adder' \
-H 'Content-Type: application/json' \
-d '{"csvContent":"Paste your CSV content here...\nExample (without headers):\nJohn,25,New York,Engineer\nJane,30,Los Angeles,Designer\nBob,35,Chicago,Manager","headerMode":"auto","customHeaders":"Name,Age,City,Position","separator":"comma","autoPrefix":"Column","previewOnly":false,"outputFormat":"csv"}'