Excel Field-Level Decryptor

Decrypt specific fields in Excel files using various decryption methods to restore encrypted information

Encrypted 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

Decryption Method *

Fields to Decrypt (optional)

Specify which Excel columns to decrypt. If empty, all fields will be decrypted by default.

Decryption Key (for AES)

Only required for AES decryption method. Use to same key that was used for encryption.

Caesar Cipher Shift Amount

Number of positions to shift back for Caesar cipher decipher (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 Decrypted Data

Skip detailed analysis and only output decrypted data

API Documentation

Request Endpoint

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

Request Parameters

Parameter Name	Type	Required	Description
excelFile	file (Upload required)	Yes	-
decryptionMethod	select	Yes	-
selectedFields	text	No	Specify which Excel columns to decrypt. If empty, all fields will be decrypted by default.
decryptionKey	text	No	Only required for AES decryption method. Use to same key that was used for encryption.
caesarShift	number	No	Number of positions to shift back for Caesar cipher decipher (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	-
decryptedOnly	checkbox	No	Skip detailed analysis and only output decrypted data

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