XLSX Template Filler

Fill existing styled/formula Excel templates by replacing {{variable}} placeholders only

Fill placeholders without breaking template design. - Preserves workbook styles, formulas, and merged cells - Replaces only text placeholders like `{{customer.name}}` - Supports strict mode for missing variables

Example Results

1 examples

Fill Styled Excel Template

Replace template placeholders while preserving original styles, formulas, and merged cells

xlsx-template-filler-example1.xlsx View File

View input parameters

{ "templateFile": "/public/samples/xlsx/xlsx-template-filler-template.xlsx", "variablesJson": "{\n \"title\": \"Sales Summary\",\n \"report_date\": \"2026-03-05\",\n \"customer\": {\n \"name\": \"Elysia Labs\"\n },\n \"total_amount\": 12850.75\n}", "strictMode": false }

Template Excel File *

Click to upload file or drag and drop file here

Maximum file size: 200MB Supported formats: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel

Variables JSON *

Strict Mode

API Documentation

Request Endpoint

POST /en/api/tools/xlsx-template-filler

Request Parameters

Parameter Name	Type	Required	Description
templateFile	file (Upload required)	Yes	-
variablesJson	textarea	Yes	-
strictMode	checkbox	No	-

File type parameters need to be uploaded first via POST /upload/xlsx-template-filler 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-xlsx-template-filler": {
      "name": "xlsx-template-filler",
      "description": "Fill existing styled/formula Excel templates by replacing {{variable}} placeholders only",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=xlsx-template-filler",
      "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]

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