CSV File Merger

Merge multiple CSV files into a single file with options for header handling and deduplication

CSV Files *

Click to upload files or drag and drop files here

Maximum file size: 50MB Maximum files: 5
Supported formats: text/csv, application/vnd.ms-excel, text/plain

Header Handling *

CSV Separator *

Output Format *

Remove Duplicates *

API Documentation

Request Endpoint

POST /en/api/tools/csv-merger

Request Parameters

Parameter Name	Type	Required	Description
csvFiles	file (Upload required)	Yes	-
headerHandling	select	Yes	-
separator	select	Yes	-
outputFormat	select	Yes	-
deduplicate	select	Yes	-

File type parameters need to be uploaded first via POST /upload/csv-merger to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}

File: File

AI MCP Documentation

Add this tool to your MCP server configuration:

{
  "mcpServers": {
    "elysiatools-csv-merger": {
      "name": "csv-merger",
      "description": "Merge multiple CSV files into a single file with options for header handling and deduplication",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=csv-merger",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]