Excel Field-Level Encryptor

Encrypt specific fields in Excel files using various encryption methods to protect sensitive information

Excel File *

Click to upload file or drag and drop file here

Maximum file size: 0MB Supported formats: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel

Encryption Method *

Fields to Encrypt (optional)

Specify which Excel columns to encrypt. If empty, all fields will be encrypted by default.

Encryption Key (for AES)

Only required for AES encryption method. Use a strong, secure key.

Caesar Cipher Shift Amount

Number of positions to shift for Caesar cipher (1-25)

Worksheet Index

Index of worksheet to process (0 for first worksheet, 1 for second, etc.)

First Row Contains Headers

Treat first row as column headers

Output Format *

Output Only Encrypted Data

Skip detailed analysis and only output encrypted data

API Documentation

Request Endpoint

POST /en/api/tools/excel-field-encryptor

Request Parameters

Parameter Name	Type	Required	Description
excelFile	file (Upload required)	Yes	-
encryptionMethod	select	Yes	-
selectedFields	text	No	Specify which Excel columns to encrypt. If empty, all fields will be encrypted by default.
encryptionKey	text	No	Only required for AES encryption method. Use a strong, secure key.
caesarShift	number	No	Number of positions to shift for Caesar cipher (1-25)
worksheetIndex	number	No	Index of worksheet to process (0 for first worksheet, 1 for second, etc.)
hasHeader	checkbox	No	Treat first row as column headers
outputFormat	select	Yes	-
encryptedOnly	checkbox	No	Skip detailed analysis and only output encrypted data

File type parameters need to be uploaded first via POST /upload/excel-field-encryptor 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-excel-field-encryptor": {
      "name": "excel-field-encryptor",
      "description": "Encrypt specific fields in Excel files using various encryption methods to protect sensitive information",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=excel-field-encryptor",
      "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]